diff --git a/B.READ/B.READ.xcodeproj/project.pbxproj b/B.READ/B.READ.xcodeproj/project.pbxproj
index 7e5a7b0b..9312dbd3 100644
--- a/B.READ/B.READ.xcodeproj/project.pbxproj
+++ b/B.READ/B.READ.xcodeproj/project.pbxproj
@@ -86,6 +86,7 @@
 				Sources/Domain/Repository/Inerface/RecordRepository.swift,
 				Sources/Domain/Repository/Inerface/SummaryRepository.swift,
 				Sources/Domain/Repository/Inerface/UserInfoRepository.swift,
+				"Sources/Util/Extensions/String+.swift",
 			);
 			target = 16BE8C682DED50C0006FFD00 /* RepositoryTest */;
 		};
@@ -159,6 +160,7 @@
 				Sources/Network/NetworkClient/RequestConvertible.swift,
 				"Sources/Util/Extensions/Bundle+.swift",
 				"Sources/Util/Extensions/Date+.swift",
+				"Sources/Util/Extensions/String+.swift",
 			);
 			target = 16BE931F2DED713E006FFD00 /* ServiceTest */;
 		};
@@ -232,6 +234,7 @@
 				Sources/Network/NetworkClient/RequestConvertible.swift,
 				"Sources/Util/Extensions/Bundle+.swift",
 				"Sources/Util/Extensions/Date+.swift",
+				"Sources/Util/Extensions/String+.swift",
 			);
 			target = 16BE95272DED72FB006FFD00 /* UsecaseTest */;
 		};
diff --git a/B.READ/B.READ/Sources/Data/Impls/QuoteRepositoryImpl.swift b/B.READ/B.READ/Sources/Data/Impls/QuoteRepositoryImpl.swift
index d14b5e0f..bb88831f 100644
--- a/B.READ/B.READ/Sources/Data/Impls/QuoteRepositoryImpl.swift
+++ b/B.READ/B.READ/Sources/Data/Impls/QuoteRepositoryImpl.swift
@@ -12,6 +12,7 @@ import SwiftData
 actor QuoteRepositoryImpl: QuoteRepository {
   func createQuote(_ quote: Quote, in record: Record) throws {
     print("Impl: \(#function)")
+    
     if let _ = try findQuote(id: quote.id) {
       throw RepositoryError.dataAlreadyExist
     }
@@ -24,6 +25,7 @@ actor QuoteRepositoryImpl: QuoteRepository {
   
   func updateQuote(_ quote: Quote) throws {
     print("Impl: \(#function)")
+    
     guard let dto = try findQuote(id: quote.id) else {
       throw RepositoryError.dataNotFound
     }
@@ -36,6 +38,7 @@ actor QuoteRepositoryImpl: QuoteRepository {
   
   func deleteQuote(id: String) throws {
     print("Impl: \(#function)")
+    
     guard let dto = try findQuote(id: id) else {
       throw RepositoryError.dataNotFound
     }
@@ -46,20 +49,18 @@ actor QuoteRepositoryImpl: QuoteRepository {
   
   func fetchQuotes(isbn: String) throws -> [Quote] {
     print("Impl: \(#function)")
-    do {
-      let descriptor = FetchDescriptor<QuoteDTO>(
-        predicate: #Predicate { $0.isbn == isbn },
-        sortBy: [.init(\.page, order: .forward)]
-      )
-      let dtos = try modelContext.fetch(descriptor)
-      return dtos.map { $0.toEntity() }
-    } catch {
-      throw RepositoryError.fetchError
-    }
+    
+    let descriptor = FetchDescriptor<QuoteDTO>(
+      predicate: #Predicate { $0.isbn == isbn },
+      sortBy: [.init(\.page, order: .forward)]
+    )
+    let dtos = try modelContext.fetch(descriptor)
+    return dtos.map { $0.toEntity() }
   }
   
   func fetchQuote(id: String) throws -> Quote {
     print("Impl: \(#function)")
+    
     guard let dto = try findQuote(id: id) else {
       throw RepositoryError.dataNotFound
     }
@@ -68,15 +69,12 @@ actor QuoteRepositoryImpl: QuoteRepository {
   
   func fetchAllQuotes() throws -> [Quote] {
     print("Impl: \(#function)")
-    do {
-      let descriptor = FetchDescriptor<QuoteDTO>(
-        sortBy: [.init(\.page, order: .forward)]
-      )
-      let dtos = try modelContext.fetch(descriptor)
-      return dtos.map { $0.toEntity() }
-    } catch {
-      throw RepositoryError.fetchError
-    }
+    
+    let descriptor = FetchDescriptor<QuoteDTO>(
+      sortBy: [.init(\.page, order: .forward)]
+    )
+    let dtos = try modelContext.fetch(descriptor)
+    return dtos.map { $0.toEntity() }
   }
 }
 
@@ -89,8 +87,10 @@ extension QuoteRepositoryImpl {
   /// - Returns:
   ///   - `QuoteDTO?`: 조회된 첫 번째 문장 정보 DTO, 없으면 `nil`
   private func findQuote(id: String) throws -> QuoteDTO? {
+    let predicate = #Predicate<QuoteDTO> { $0.id == id }
+    let descriptor = FetchDescriptor(predicate: predicate)
+    
     do {
-      let descriptor = FetchDescriptor<QuoteDTO>(predicate: #Predicate { $0.id == id })
       return try modelContext.fetch(descriptor).first
     } catch {
       throw RepositoryError.fetchError
diff --git a/B.READ/B.READ/Sources/Domain/Dummy/DummyData.swift b/B.READ/B.READ/Sources/Domain/Dummy/DummyData.swift
index 6c8ecfd5..e3d35a0f 100644
--- a/B.READ/B.READ/Sources/Domain/Dummy/DummyData.swift
+++ b/B.READ/B.READ/Sources/Domain/Dummy/DummyData.swift
@@ -144,110 +144,35 @@ extension DummyData {
     currentPage: 252,
     review: "",
     memos: [
-      Memo(
-        id: "1",
-        isbn: "9788937460586",
-        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
-        content: "싯다르타는 수많은 스승과 가르침을 거쳤지만, 결국 삶을 살아가는 과정에서 스스로 진리를 깨닫는다. 남의 말이 아닌, 체험이 지혜로 이어진다.",
-        pages: (100, 132),
-        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
-      ),
-      Memo(
-        id: "2",
-        isbn: "9788937460586",
-        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
-        content: "강을 바라보며 싯다르타는 모든 존재가 연결되어 흐르고 있다는 사실을 깨닫는다. 나 또한 변화와 흐름을 있는 그대로 받아들이고 싶어졌다.",
-        pages: (100, 132),
-        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
-      ),
-      Memo(
-        id: "3",
-        isbn: "9788937460586",
-        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
-        content: "싯다르타의 삶은 고통과 실수의 연속이었지만, 그 모든 것이 깨달음으로 나아가는 길이었다. 나 역시 내 방황을 긍정하고 싶어졌다.",
-        pages: (100, 132),
-        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
-      ),
+//      Memo(
+//        id: "1",
+//        isbn: "9788937460586",
+//        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
+//        content: "싯다르타는 수많은 스승과 가르침을 거쳤지만, 결국 삶을 살아가는 과정에서 스스로 진리를 깨닫는다. 남의 말이 아닌, 체험이 지혜로 이어진다.",
+//        pages: (100, 132),
+//        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
+//      ),
+//      Memo(
+//        id: "2",
+//        isbn: "9788937460586",
+//        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
+//        content: "강을 바라보며 싯다르타는 모든 존재가 연결되어 흐르고 있다는 사실을 깨닫는다. 나 또한 변화와 흐름을 있는 그대로 받아들이고 싶어졌다.",
+//        pages: (100, 132),
+//        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
+//      ),
+//      Memo(
+//        id: "3",
+//        isbn: "9788937460586",
+//        createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 4))!,
+//        content: "싯다르타의 삶은 고통과 실수의 연속이었지만, 그 모든 것이 깨달음으로 나아가는 길이었다. 나 역시 내 방황을 긍정하고 싶어졌다.",
+//        pages: (100, 132),
+//        guides: [Guide(date: fixedDate, content: "exmaple1"), Guide(date: fixedDate, content: "exmaple1")]
+//      ),
     ],
     quotes: [],
     createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 4, day: 19))!,
     updatedAt: Calendar.current.date(from: DateComponents(year: 2025, month: 5, day: 10))!
   )
-  
-  
-//    Record( // 아주 작은 습관들
-//      id: UUID().uuidString,
-//      isbn: "9791162540640",
-//      state: .reading,
-//      heartCount: 3,
-//      starCount: 0,
-//      isFavorite: true,
-//      period: (Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 27)), nil),
-//      currentPage: 321,
-//      review: "",
-//      summaryID: nil,
-//      memoIDs: [],
-//      quoteIDs: [],
-//      createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 26))!,
-//      updatedAt: Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 26))!
-//          ),
-//    Record( // 위버멘쉬
-//      id: UUID().uuidString,
-//      isbn: "9791192372730",
-//      state: .completed,
-//      heartCount: 3,
-//      starCount: 5,
-//      isFavorite: false,
-//      period: (
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 1, day: 1)),
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 5))
-//      ),
-//      currentPage: 260,
-//      review: "",
-//      summaryID: nil,
-//      memoIDs: [],
-//      quoteIDs: [],
-//      createdAt: Calendar.current.date(from: DateComponents(year: 2025, month: 1, day: 1))!,
-//      updatedAt: Calendar.current.date(from: DateComponents(year: 2025, month: 1, day: 1))!
-//          ),
-//    Record( // 이기적 유전자
-//      id: UUID().uuidString,
-//      isbn: "9788932473901",
-//      state: .completed,
-//      heartCount: 3,
-//      starCount: 2,
-//      isFavorite: false,
-//      period: (
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 1, day: 1)),
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 5))
-//      ),
-//      currentPage: 632,
-//      review: "",
-//      summaryID: nil,
-//      memoIDs: [],
-//      quoteIDs: [],
-//      createdAt: Calendar.current.date(from: DateComponents(year: 2024, month: 12, day: 30))!,
-//      updatedAt: Calendar.current.date(from: DateComponents(year: 2024, month: 12, day: 30))!
-//          ),
-//    Record( // 듀얼 브레인
-//      id: UUID().uuidString,
-//      isbn: "9791194368175",
-//      state: .completed,
-//      heartCount: 3,
-//      starCount: 4,
-//      isFavorite: false,
-//      period: (
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 1, day: 1)),
-//        Calendar.current.date(from: DateComponents(year: 2025, month: 3, day: 5))
-//      ),
-//      currentPage: 308,
-//      review: "",
-//      summaryID: nil,
-//      memoIDs: [],
-//      quoteIDs: [],
-//      createdAt: Calendar.current.date(from: DateComponents(year: 2024, month: 12, day: 25))!,
-//      updatedAt: Calendar.current.date(from: DateComponents(year: 2024, month: 12, day: 25))!
-//          )
 ]
   
   static var records: [Record] = [
diff --git a/B.READ/RepositoryTest/QuoteRepositoryTest.swift b/B.READ/RepositoryTest/QuoteRepositoryTest.swift
index d94bbb71..6ef0cfa0 100644
--- a/B.READ/RepositoryTest/QuoteRepositoryTest.swift
+++ b/B.READ/RepositoryTest/QuoteRepositoryTest.swift
@@ -10,104 +10,186 @@ import Testing
 
 @testable import B_READ
 
-//struct QuoteRepositoryTest {
-//  private let quoteRepository: QuoteRepository
-//
-//  init() {
-//    // let stub = QuoteRepositoryStub()
-//    // quoteRepository = stub
-//
-//    let storage = SwiftDataTestStorage()
-//    quoteRepository = QuoteRepositoryImpl(modelContainer: storage.modelContainer)
-//  }
-//
-//  @Test("Quote Create and Fetch Test")
-//  func createQuote() async throws {
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    let fetched = try await quoteRepository.fetchQuote(id: DummyData.quote.id)
-//    #expect(fetched == DummyData.quote)
-//  }
-//
-//  @Test("Quote Create Error Test - Data Already Exists")
-//  func createQuoteDataAlreadyExist() async throws {
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    
-//    await #expect(throws: RepositoryError.dataAlreadyExist, performing: {
-//      try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    })
-//  }
-//
-//  @Test("Error on Fetch by ID When Not Found")
-//  func fetchQuoteDataNotFound() async throws {
-//    await #expect(throws: RepositoryError.dataNotFound, performing: {
-//      _ = try await quoteRepository.fetchQuote(id: "non-existent-id")
-//    })
-//  }
-//  
-//  @Test("Fetch Quotes by ISBN")
-//  func fetchQuotesByISBN() async throws {
-//    let other = Quote(id: "id-2", isbn: "999", content: "Other Book", page: 1)
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    try await quoteRepository.createQuote(other, in: <#Record#>)
-//    
-//    let fetchedList = try await quoteRepository.fetchQuotes(isbn: DummyData.quote.isbn)
-//    #expect(fetchedList == [DummyData.quote])
-//  }
-//  
-//  @Test("Fetch All Quotes Test")
-//  func fetchAllQuotes() async throws {
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    let another = Quote(id: "id-2", isbn: DummyData.quote.isbn, content: "Additional Content", page: 5)
-//    try await quoteRepository.createQuote(another, in: <#Record#>)
-//    
-//    let all = try await quoteRepository.fetchAllQuotes()
-//    #expect(all.count == 2)
-//  }
-//
-//  @Test("Quote Update Test")
-//  func updateQuote() async throws {
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    let updated = Quote(
-//      id: DummyData.quote.id,
-//      isbn: "updated-isbn",
-//      content: "새로운 내용",
-//      page: 99
-//    )
-//    try await quoteRepository.updateQuote(updated)
-//    let fetched = try await quoteRepository.fetchQuote(id: DummyData.quote.id)
-//    #expect(fetched == updated)
-//  }
-//
-//  @Test("Quote Update Error Test - Data Not Found")
-//  func updateQuoteDataNotFound() async throws {
-//    
-//    let missing = Quote(
-//      id: "missing-id",
-//      isbn: "none",
-//      content: "none",
-//      page: 0
-//    )
-//    
-//    await #expect(throws: RepositoryError.dataNotFound, performing: {
-//      try await quoteRepository.updateQuote(missing)
-//    })
-//
-//  }
-//
-//  @Test("Quote Delete Test")
-//  func deleteQuote() async throws {
-//    try await quoteRepository.createQuote(DummyData.quote, in: <#Record#>)
-//    try await quoteRepository.deleteQuote(id: DummyData.quote.id)
-//    
-//    await #expect(throws: RepositoryError.dataNotFound, performing: {
-//      _ = try await quoteRepository.fetchQuote(id: DummyData.quote.id)
-//    })
-//  }
-//
-//  @Test("Quote Delete Error Test - Data Not Found")
-//  func deleteQuoteDataNotFound() async throws {
-//    await #expect(throws: RepositoryError.dataNotFound, performing: {
-//      try await quoteRepository.deleteQuote(id: "missing-id")
-//    })
-//  }
-//}
+struct QuoteRepositoryTest {
+  private let quoteRepository: QuoteRepository
+  private let recordRepository: RecordRepository
+
+  init() {
+    // let stub = QuoteRepositoryStub()
+    // quoteRepository = stub
+
+    let storage = SwiftDataTestStorage()
+    quoteRepository = QuoteRepositoryImpl(modelContainer: storage.modelContainer)
+    recordRepository = RecordRepositoryImpl(modelContainer: storage.modelContainer)
+  }
+
+  @Test("Quote Create and Fetch Test")
+  func createQuote() async throws {
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    let dummyQuote = DummyData.dummyQuote[0]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    var fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    try await quoteRepository.createQuote(dummyQuote, in: fetchedRecord)
+    let fetchedQuote = try await quoteRepository.fetchQuote(id: dummyQuote.id)
+    
+    // 4. Quote 생성 및 패치 확인
+    #expect(fetchedQuote == dummyQuote)
+    
+    // 5. Record에 저장됐는지 확인
+    fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    #expect(fetchedRecord.quotes.first! == fetchedQuote)
+  }
+
+  @Test("Quote Create Error Test - Data Already Exists")
+  func createQuoteDataAlreadyExist() async throws {
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    let dummyQuote = DummyData.dummyQuote[0]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    let fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    try await quoteRepository.createQuote(dummyQuote, in: fetchedRecord)
+    
+    // 4. 3번에서 생성한 문장을 한번 더 생성 -> Data Already Exist 에러 발생
+    await #expect(throws: RepositoryError.dataAlreadyExist, performing: {
+      try await quoteRepository.createQuote(dummyQuote, in: fetchedRecord)
+    })
+  }
+
+  @Test("Quote Fetch Error Test - Data Not Found")
+  func fetchQuoteDataNotFound() async throws {
+    // 1. 데이터를 패치 -> Data Not Found 에러 발생
+    await #expect(throws: RepositoryError.dataNotFound, performing: {
+      _ = try await quoteRepository.fetchQuote(id: "NotFoundId")
+    })
+  }
+  
+  @Test("Fetch Quotes by ISBN")
+  func fetchQuotesByISBN() async throws {
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    let dummyQuotes = [
+      DummyData.dummyQuote[0],
+      DummyData.dummyQuote[1],
+      DummyData.dummyQuote[2]
+    ]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    let fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    for quote in dummyQuotes {
+      try await quoteRepository.createQuote(quote, in: fetchedRecord)
+    }
+    
+    // 4. ISBN을 가지고 문장을 패치
+    let fetchedQuotes = try await quoteRepository.fetchQuotes(isbn: fetchedRecord.isbn).sorted { $0.id < $1.id }
+    
+    // 5. 패치해온 문장과 더미 문장을 비교
+    #expect(fetchedQuotes == dummyQuotes)
+  }
+  
+  @Test("Fetch All Quotes Test")
+  func fetchAllQuotes() async throws {
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    let dummyQuotes = [
+      DummyData.dummyQuote[0],
+      DummyData.dummyQuote[1],
+      DummyData.dummyQuote[2]
+    ]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    let fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    for quote in dummyQuotes {
+      try await quoteRepository.createQuote(quote, in: fetchedRecord)
+    }
+    
+    // 4. ISBN을 가지고 문장을 패치
+    let fetchedQuotes = try await quoteRepository.fetchAllQuotes().sorted { $0.id < $1.id }
+    
+    // 5. 패치해온 문장과 더미 문장을 비교
+    #expect(fetchedQuotes == dummyQuotes)
+  }
+
+  @Test("Quote Update Test")
+  func updateQuote() async throws {
+    
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    var dummyQuote = DummyData.dummyQuote[0]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    let fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    try await quoteRepository.createQuote(dummyQuote, in: fetchedRecord)
+    
+    // 4. 문장을 수정
+    dummyQuote.content = "수정한 문장입니다."
+    dummyQuote.page = 100
+    
+    // 5. 수정한 문장을 업데이트
+    try await quoteRepository.updateQuote(dummyQuote)
+    
+    // 6. 문장을 패치
+    let fetchedQuote = try await quoteRepository.fetchQuote(id: dummyQuote.id)
+    
+    #expect(fetchedQuote == dummyQuote)
+  }
+
+  @Test("Quote Update Error Test - Data Not Found")
+  func updateQuoteDataNotFound() async throws {
+    // 1. 수정할 문장
+    let dummyQuote = DummyData.dummyQuote[0]
+    
+    // 2. 문장 수정을 시도 -> Data Not Found 에러 발생
+    await #expect(throws: RepositoryError.dataNotFound, performing: {
+      try await quoteRepository.updateQuote(dummyQuote)
+    })
+  }
+
+  @Test("Quote Delete Test")
+  func deleteQuote() async throws {
+    // 1. 생성할 레코드와 문장
+    let dummyRecord = DummyData.dummyRecords[1]
+    let dummyQuote = DummyData.dummyQuote[0]
+    
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    let fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 문장을 생성
+    try await quoteRepository.createQuote(dummyQuote, in: fetchedRecord)
+    let fetchedQuote = try await quoteRepository.fetchQuote(id: dummyQuote.id)
+    
+    // 4. 문장을 삭제
+    try await quoteRepository.deleteQuote(id: fetchedQuote.id)
+    
+    // 5. 패치를 시도 -> Data Not Found 에러 발생
+    await #expect(throws: RepositoryError.dataNotFound, performing: {
+      _ = try await quoteRepository.fetchQuote(id: fetchedQuote.id)
+    })
+  }
+
+  @Test("Quote Delete Error Test - Data Not Found")
+  func deleteQuoteDataNotFound() async throws {
+    // 1. 삭제를 시도 -> Data Not Found 에러 발생
+    await #expect(throws: RepositoryError.dataNotFound, performing: {
+      try await quoteRepository.deleteQuote(id: "NotFoundId")
+    })
+  }
+}
diff --git a/B.READ/RepositoryTest/RecordRepositoryTest.swift b/B.READ/RepositoryTest/RecordRepositoryTest.swift
index 33938d5d..50815d4c 100644
--- a/B.READ/RepositoryTest/RecordRepositoryTest.swift
+++ b/B.READ/RepositoryTest/RecordRepositoryTest.swift
@@ -13,10 +13,13 @@ import Testing
 struct RecordRepositoryTest {
 
   private let recordRepository: RecordRepository
+  private let memoRepository: MemoRepository
+  
   init() {
 //    recordRepository = RecordRepositoryStub()
     let storage = SwiftDataTestStorage()
     recordRepository = RecordRepositoryImpl(modelContainer: storage.modelContainer)
+    memoRepository = MemoRepositoryImpl(modelContainer: storage.modelContainer)
   }
   
   @Test("Record Create Test")
@@ -94,13 +97,24 @@ struct RecordRepositoryTest {
 
   @Test("Recent Finished Record without Summary Fetch Test")
   func fetchRecordAvailableForSummary() async throws {
-    let record = DummyData.dummyRecords[2]
+    // 1. 생성할 레코드와 메모
+    let dummyRecord = DummyData.dummyRecords[2]
+    let dummyMemo = DummyData.dummyMemos[0]
     
-    try await recordRepository.createRecord(record)
+    // 2. 레코드를 생성
+    try await recordRepository.createRecord(dummyRecord)
+    var fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    
+    // 3. 메모를 생성
+    try await memoRepository.createMemo(dummyMemo, in: fetchedRecord)
+    
+    // 4. 메모가 생성된 레코드를 패치
+    fetchedRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
     
-    let fetchedRecord = try await recordRepository.fetchRecordAvailableForSummary()
+    // 5. 요약가능한 독서기록을 패치
+    let availableRecord = try await recordRepository.fetchRecordAvailableForSummary()
     
-    #expect(fetchedRecord == record)
+    #expect(availableRecord == fetchedRecord)
   }
   
   @Test("Recent Finished Record without Summary Fetch Test - Data Not Found")
diff --git a/B.READ/RepositoryTest/SummaryRepositoryTest.swift b/B.READ/RepositoryTest/SummaryRepositoryTest.swift
index 33064447..85614a24 100644
--- a/B.READ/RepositoryTest/SummaryRepositoryTest.swift
+++ b/B.READ/RepositoryTest/SummaryRepositoryTest.swift
@@ -1,104 +1,104 @@
-////
-////  SummaryRepositoryTest.swift
-////  RepositoryTest
-////
-////  Created by 김도연 on 6/9/25.
-////
 //
-//import Foundation
-//import Testing
+//  SummaryRepositoryTest.swift
+//  RepositoryTest
 //
-//@testable import B_READ
+//  Created by 김도연 on 6/9/25.
 //
-//struct SummaryRepositoryTest {
-//  
-//  private let recordRepository: RecordRepository
-//  private let summaryRepository: SummaryRepository
-//  
-//  init() {
-//    let storage = SwiftDataTestStorage()
-//    self.recordRepository = RecordRepositoryImpl(modelContainer: storage.modelContainer)
-//    self.summaryRepository = SummaryRepositoryImpl(modelContainer: storage.modelContainer)
-//  }
-//  
-//  @Test("Summary Create Test")
-//  func createSummary() async throws {
-//    // Given
-//    let dummyRecord = DummyData.dummyRecords.first!
-//    try await recordRepository.createRecord(dummyRecord)
-//    let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
-//    let dummySummary = DummyData.summary1
-//    
-//    // When
-//    try await summaryRepository.createSummary(dummySummary, in: targetRecord)
-//    let fetchedSummary = try await summaryRepository.fetchSummary(id: dummySummary.id)
-//    
-//    // Then
-//    #expect(fetchedSummary.id == dummySummary.id)
-//    #expect(fetchedSummary.tags.count == dummySummary.tags.count)
-//  }
-//  
-//  @Test("Summary Create Error Test - Data Already Exists")
-//  func createSummaryDataAlreadyExists() async throws {
-//    // Given
-//    let dummyRecord = DummyData.dummyRecords.first!
-//    try await recordRepository.createRecord(dummyRecord)
-//    let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
-//    let dummySummary = DummyData.summary1
-//    try await summaryRepository.createSummary(dummySummary, in: targetRecord)
-//    
-//    // When + Then
-//    await #expect(throws: RepositoryError.dataAlreadyExist, performing: {
-//      try await summaryRepository.createSummary(dummySummary, in: targetRecord)
-//    })
-//  }
-//  
-//  @Test("Summary Fetch Error Test - Data Not Found")
-//  func fetchSummaryDataNotFound() async throws {
-//    // When + Then
-//    await #expect(throws: RepositoryError.dataNotFound, performing: {
-//      _ = try await summaryRepository.fetchSummary(id: "non-existent-id")
-//    })
-//  }
-//  
-//  @Test("Summary Fetch All Test")
-//  func fetchAllSummaries() async throws {
-//    // Given
-//    for record in DummyData.dummyRecords {
-//      try await recordRepository.createRecord(record)
-//    }
-//
-//    for i in 0..<DummyData.dummySummaries.count {
-//      let targetRecord = try await recordRepository.fetchRecord(id: DummyData.dummyRecords[i].id)
-//      try await summaryRepository.createSummary(DummyData.dummySummaries[i], in: targetRecord)
-//    }
-//
-//    // When
-//    let fetchedSummaries = try await summaryRepository.fetchAllSummary()
-//    
-//    // Then
-//    let expectedSummaries = DummyData.dummySummaries.sorted { $0.createdAt > $1.createdAt }
-//    let actualSummaries = fetchedSummaries.sorted { $0.createdAt > $1.createdAt }
-//    #expect(expectedSummaries.first?.id == actualSummaries.first?.id)
-//    #expect(expectedSummaries.count == actualSummaries.count)
-//  }
-//  
-//}
-//
-//// MARK: - Entity Extensions
-//extension AlanSummary: Equatable {
-//  public static func == (lhs: AlanSummary, rhs: AlanSummary) -> Bool {
-//    return lhs.id == rhs.id &&
-//           lhs.isbn == rhs.isbn &&
-//           lhs.content == rhs.content &&
-//           lhs.tags == rhs.tags &&
-//           lhs.createdAt == rhs.createdAt
-//  }
-//}
-//
-//extension Tag: Equatable {
-//  public static func == (lhs: Tag, rhs: Tag) -> Bool {
-//    return lhs.id == rhs.id &&
-//           lhs.content == rhs.content
-//  }
-//}
+
+import Foundation
+import Testing
+
+@testable import B_READ
+
+struct SummaryRepositoryTest {
+  
+  private let recordRepository: RecordRepository
+  private let summaryRepository: SummaryRepository
+  
+  init() {
+    let storage = SwiftDataTestStorage()
+    self.recordRepository = RecordRepositoryImpl(modelContainer: storage.modelContainer)
+    self.summaryRepository = SummaryRepositoryImpl(modelContainer: storage.modelContainer)
+  }
+  
+  @Test("Summary Create Test")
+  func createSummary() async throws {
+    // Given
+    let dummyRecord = DummyData.dummyRecords.first!
+    try await recordRepository.createRecord(dummyRecord)
+    let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    let dummySummary = DummyData.summary1
+    
+    // When
+    try await summaryRepository.createSummary(dummySummary, in: targetRecord)
+    let fetchedSummary = try await summaryRepository.fetchSummary(id: dummySummary.id)
+    
+    // Then
+    #expect(fetchedSummary.id == dummySummary.id)
+    #expect(fetchedSummary.tags.count == dummySummary.tags.count)
+  }
+  
+  @Test("Summary Create Error Test - Data Already Exists")
+  func createSummaryDataAlreadyExists() async throws {
+    // Given
+    let dummyRecord = DummyData.dummyRecords.first!
+    try await recordRepository.createRecord(dummyRecord)
+    let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
+    let dummySummary = DummyData.summary1
+    try await summaryRepository.createSummary(dummySummary, in: targetRecord)
+    
+    // When + Then
+    await #expect(throws: RepositoryError.dataAlreadyExist, performing: {
+      try await summaryRepository.createSummary(dummySummary, in: targetRecord)
+    })
+  }
+  
+  @Test("Summary Fetch Error Test - Data Not Found")
+  func fetchSummaryDataNotFound() async throws {
+    // When + Then
+    await #expect(throws: RepositoryError.dataNotFound, performing: {
+      _ = try await summaryRepository.fetchSummary(id: "non-existent-id")
+    })
+  }
+  
+  @Test("Summary Fetch All Test")
+  func fetchAllSummaries() async throws {
+    // Given
+    for record in DummyData.dummyRecords {
+      try await recordRepository.createRecord(record)
+    }
+
+    for i in 0..<DummyData.dummySummaries.count {
+      let targetRecord = try await recordRepository.fetchRecord(id: DummyData.dummyRecords[i].id)
+      try await summaryRepository.createSummary(DummyData.dummySummaries[i], in: targetRecord)
+    }
+
+    // When
+    let fetchedSummaries = try await summaryRepository.fetchAllSummary()
+    
+    // Then
+    let expectedSummaries = DummyData.dummySummaries.sorted { $0.createdAt > $1.createdAt }
+    let actualSummaries = fetchedSummaries.sorted { $0.createdAt > $1.createdAt }
+    #expect(expectedSummaries.first?.id == actualSummaries.first?.id)
+    #expect(expectedSummaries.count == actualSummaries.count)
+  }
+  
+}
+
+// MARK: - Entity Extensions
+extension AlanSummary: Equatable {
+  public static func == (lhs: AlanSummary, rhs: AlanSummary) -> Bool {
+    return lhs.id == rhs.id &&
+           lhs.isbn == rhs.isbn &&
+           lhs.content == rhs.content &&
+           lhs.tags == rhs.tags &&
+           lhs.createdAt == rhs.createdAt
+  }
+}
+
+extension Tag: Equatable {
+  public static func == (lhs: Tag, rhs: Tag) -> Bool {
+    return lhs.id == rhs.id &&
+           lhs.content == rhs.content
+  }
+}
diff --git a/B.READ/RepositoryTest/UserInfoRepositoryTest.swift b/B.READ/RepositoryTest/UserInfoRepositoryTest.swift
index 638b00c2..a3bcc919 100644
--- a/B.READ/RepositoryTest/UserInfoRepositoryTest.swift
+++ b/B.READ/RepositoryTest/UserInfoRepositoryTest.swift
@@ -78,7 +78,12 @@ struct UserInfoRepositoryTest {
 
     try await userInfoRepository.updateUserInfo(updatedUserInfo)
 
-    let fetchedUserInfo = try await userInfoRepository.fetchUserInfo()
+    var fetchedUserInfo = try await userInfoRepository.fetchUserInfo()
+    
+    // 카테고리 순서 정렬
+    updatedUserInfo.categories = updatedUserInfo.categories.sorted { $0.id < $1.id }
+    fetchedUserInfo.categories = fetchedUserInfo.categories.sorted { $0.id < $1.id }
+    
     #expect(fetchedUserInfo == updatedUserInfo)
   }
   
diff --git a/B.READ/ServiceTest/BookServiceTest.swift b/B.READ/ServiceTest/BookServiceTest.swift
index 21d2e5c4..f9386beb 100644
--- a/B.READ/ServiceTest/BookServiceTest.swift
+++ b/B.READ/ServiceTest/BookServiceTest.swift
@@ -92,31 +92,4 @@ struct BookServiceTest {
     }
   }
 
-//  @Test("Error: Missing Query")
-//  func testMissingQueryErrorDecoding() async throws {
-//    let mockClient = MockNetworkClient(
-//      nextMockFileName: "MissingQuery",
-//      shouldReturnError: false
-//    )
-//    let aladinService = AladinService(client: mockClient)
-//
-//    do {
-//      _ = try await aladinService.fetchBookList(for: "", index: 1)
-//      #expect(false)
-//    } catch let error as AladinError {
-//      switch error {
-//      case .serverError(let code, let message):
-//        #expect(code == 3)
-//        #expect(message == "검색어를 입력해주세요.")
-//        print("✅ Correctly decoded Aladin error: [\(code)] \(message)")
-//      default:
-//        print("Expected serverError, but got \(error)")
-//        #expect(false)
-//      }
-//    } catch {
-//      print("Unexpected error type: \(error)")
-//      #expect(false)
-//    }
-//  }
-
 }
diff --git a/B.READ/UsecaseTest/LibraryUseCaseTest.swift b/B.READ/UsecaseTest/LibraryUseCaseTest.swift
index 3deaa428..d3c0be9e 100644
--- a/B.READ/UsecaseTest/LibraryUseCaseTest.swift
+++ b/B.READ/UsecaseTest/LibraryUseCaseTest.swift
@@ -37,26 +37,35 @@ struct LibraryUseCaseTest {
   
   @Test("Save/Load Record Test")
   func loadRecordTest() async throws {
-    // 1. 레코드, 책 정보
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드, 책 정보
     let book = DummyData.dummyBooks[0]
     let record = DummyData.dummyRecords[0]
     
-    // 2. 레코드, 책 생성
+    // 3. 레코드, 책 생성
     try await libraryUseCase.saveRecord(record: record, book: book)
     
-    // 3. 레코드 책 패치
+    // 4. 레코드 책 패치
     let fetchedInfo = try await libraryUseCase.loadRecord(record.id)
     
     #expect(fetchedInfo.0.id == record.id)
     #expect(fetchedInfo.0.createdAt == record.createdAt)
   }
   
+  
   @Test("Save/Load Record Tests", arguments: [
     (DummyData.dummyBooks[0], DummyData.dummyRecords[0]),
     (DummyData.dummyBooks[1], DummyData.dummyRecords[1]),
     (DummyData.dummyBooks[2], DummyData.dummyRecords[2])
   ])
   func loadRecordTest(book: Book, record: Record) async throws {
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     // 2. 레코드, 책 생성
     try await libraryUseCase.saveRecord(record: record, book: book)
     
@@ -69,7 +78,11 @@ struct LibraryUseCaseTest {
   
   @Test("Load Record List Test")
   func loadRecordListTest() async throws {
-    // 1. 레코드들 생성
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드들 생성
     let infos: [(Record, Book)] = [
       (DummyData.dummyRecords[0], DummyData.dummyBooks[0]),
       (DummyData.dummyRecords[1], DummyData.dummyBooks[1]),
@@ -79,7 +92,7 @@ struct LibraryUseCaseTest {
       try await libraryUseCase.saveRecord(record: info.0, book: info.1)
     }
     
-    // 2. 레코드들 패치
+    // 3. 레코드들 패치
     let fetchedInfos = try await libraryUseCase.loadRecordList()
       .sorted { $0.0.createdAt > $1.0.createdAt }
     for (info, fetchedInfo) in zip(infos, fetchedInfos) {
@@ -91,17 +104,21 @@ struct LibraryUseCaseTest {
   
   @Test("Delete Record Test")
   func deleteRecordTest() async throws {
-    // 1. 레코드 정보
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드 정보
     let book = DummyData.dummyBooks[0]
     let record = DummyData.dummyRecords[0]
     
-    // 2. 레코드, 책 생성
+    // 3. 레코드, 책 생성
     try await libraryUseCase.saveRecord(record: record, book: book)
     
-    // 3. 레코드 삭제
+    // 4. 레코드 삭제
     try await libraryUseCase.deleteRecord(record)
     
-    // 4. 레코드 패치
+    // 5. 레코드 패치
     await #expect(throws: RepositoryError.dataNotFound, performing: {
       let _ = try await libraryUseCase.loadRecord(record.id)
     })
@@ -109,22 +126,26 @@ struct LibraryUseCaseTest {
   
   @Test("Edit Record Test")
   func editRecordTest() async throws {
-    // 1. 레코드 정보
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드 정보
     let book = DummyData.dummyBooks[0]
     var record = DummyData.dummyRecords[0]
     
-    // 2. 레코드, 책 생성
+    // 3. 레코드, 책 생성
     try await libraryUseCase.saveRecord(record: record, book: book)
     
-    // 3. 레코드 정보 수정
+    // 4. 레코드 정보 수정
     record.isFavorite = true
     record.state = .completed
     record.starCount = 5
     
-    // 4. 수정한 레코드 업데이트
+    // 5. 수정한 레코드 업데이트
     try await libraryUseCase.editRecord(record)
     
-    // 5. 레코드, 책 패치
+    // 6. 레코드, 책 패치
     let fetchedInfo = try await libraryUseCase.loadRecord(record.id)
     
     #expect(fetchedInfo.0.id == record.id)
@@ -135,22 +156,27 @@ struct LibraryUseCaseTest {
   
   @Test("Edit Record Test - Record Data Not Found")
   func editRecordDataNotFoundTest() async throws {
-    // 1. 레코드 정보
+    
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드 정보
     let book = DummyData.dummyBooks[0]
     var record = DummyData.dummyRecords[0]
     
-    // 2. 도서만 생성
+    // 3. 도서만 생성
     try await bookRepository.createBook(book)
     
-    // 3. 레코드 정보 수정
+    // 4. 레코드 정보 수정
     record.isFavorite = true
     record.state = .completed
     record.starCount = 5
     
-    // 4. 수정한 레코드 업데이트
+    // 5. 수정한 레코드 업데이트
     try await libraryUseCase.editRecord(record)
     
-    // 5. 레코드, 책 패치
+    // 6. 레코드, 책 패치
     let fetchedInfo = try await libraryUseCase.loadRecord(record.id)
     
     #expect(fetchedInfo.0.id == record.id)
@@ -161,7 +187,12 @@ struct LibraryUseCaseTest {
   
   @Test("loadRecentUpdatedReadingRecord Test")
   func loadRecentUpdatedReadingRecordTest() async throws {
-    // 1. 레코드들 생성
+    
+    // 1. 유저 정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
+    // 2. 레코드들 생성
     let infos: [(Record, Book)] = [
       (DummyData.dummyRecords[0], DummyData.dummyBooks[0]),
       (DummyData.dummyRecords[1], DummyData.dummyBooks[1]),
@@ -171,10 +202,10 @@ struct LibraryUseCaseTest {
       try await libraryUseCase.saveRecord(record: info.0, book: info.1)
     }
     
-    // 2. 최근 업데이트한 읽는 중 상태의 독서 기록 패치
+    // 3. 최근 업데이트한 읽는 중 상태의 독서 기록 패치
     let fetchedList = try await libraryUseCase.loadRecentUpdatedReadingRecord(maxCount: 3)
     
-    // 3. 기대되는 결과
+    // 4. 기대되는 결과
     let predictList = Array(infos
       .filter { $0.0.state == .reading }
       .sorted { $0.0.updatedAt > $1.0.updatedAt }
diff --git a/B.READ/UsecaseTest/MemoUseCaseTest.swift b/B.READ/UsecaseTest/MemoUseCaseTest.swift
index 9b519048..00c91aca 100644
--- a/B.READ/UsecaseTest/MemoUseCaseTest.swift
+++ b/B.READ/UsecaseTest/MemoUseCaseTest.swift
@@ -28,13 +28,17 @@ struct MemoUseCaseTest {
       userInfoRepository: userInfoRepository,
       bookRepository: BookRepositoryImpl(modelContainer: storage.modelContainer),
       memoRepository: memoRepository,
-      aiService: AlanService()
+      aiService: AlanService(),
+      bookService: AladinService()
     )
   }
   
   
   @Test("Memo Create & Fetch Test")
   func saveMemoTestCreate() async throws {
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords.first!
     try await recordRepository.createRecord(dummyRecord)
     let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
@@ -48,6 +52,9 @@ struct MemoUseCaseTest {
   
   @Test("Memo Update Test")
   func saveMemoTestUpdate() async throws {
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords.first!
     try await recordRepository.createRecord(dummyRecord)
     let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
@@ -65,6 +72,9 @@ struct MemoUseCaseTest {
   
   @Test("Memo delete Test")
   func deleteMemoTestUpdate() async throws {
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords.first!
     try await recordRepository.createRecord(dummyRecord)
     let targetRecord = try await recordRepository.fetchRecord(id: dummyRecord.id)
diff --git a/B.READ/UsecaseTest/QuoteUseCaseTest.swift b/B.READ/UsecaseTest/QuoteUseCaseTest.swift
index 560d7efb..03657087 100644
--- a/B.READ/UsecaseTest/QuoteUseCaseTest.swift
+++ b/B.READ/UsecaseTest/QuoteUseCaseTest.swift
@@ -28,12 +28,17 @@ struct QuoteUseCaseTest {
     self.quoteUseCase = QuoteUseCaseImpl(
       userInfoRepository: userInfoRepository,
       quoteRepository: quoteRepository,
-      bookRepository: bookRepository
+      bookRepository: bookRepository,
+      bookService: AladinService()
     )
   }
   
   @Test("Quote Create & Id Fetch Test")
   func saveQuoteTestCreate() async throws {
+    // 0. 유저정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords[1]
     let dummyQuote = DummyData.dummyQuote[0]
     
@@ -53,6 +58,10 @@ struct QuoteUseCaseTest {
   
   @Test("Quote Update Test")
   func saveQuoteTestUpdate() async throws {
+    // 0. 유저정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords[1]
     var dummyQuote = DummyData.dummyQuote[0]
     
@@ -79,6 +88,10 @@ struct QuoteUseCaseTest {
   
   @Test("Quote Remove & AllCase Fetch Test")
   func removeQuoteTest() async throws {
+    // 0. 유저정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     let dummyRecord = DummyData.dummyRecords[1]
     let dummyQuote = DummyData.dummyQuote[0]
     
@@ -109,6 +122,10 @@ struct QuoteUseCaseTest {
   
   @Test("Load Book Title Test")
   func loadBookTitleTest() async throws {
+    // 0. 유저정보 생성
+    let userInfo = DummyData.userInfo
+    try await userInfoRepository.createUserInfo(userInfo)
+    
     
     let dummyBook = DummyData.dummyBooks[1]
     let dummyRecord = DummyData.dummyRecords[1]