diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee5e1e93..34f108ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,6 +92,6 @@ jobs:
       - name: build seismic-viem
         run: bun viem:build
       - name: Test devnet
-        run: bun viem:test:devnet
+        run: bun viem:test:reth
       - name: Remove reth files
         run: rm -rf "$RETH_DATA_DIR" && rm -rf "$RETH_STATIC_FILES"
diff --git a/package.json b/package.json
index 06a075f4..189b37c0 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "viem:build": "bun run --cwd packages/seismic-viem build",
     "viem:publish": "npm publish -w packages/seismic-viem",
     "viem:test:anvil": "bun run --cwd tests/seismic-viem test:anvil",
-    "viem:test:devnet": "bun run --cwd tests/seismic-viem test:devnet",
+    "viem:test:reth": "bun run --cwd tests/seismic-viem test:reth",
     "react:typecheck": "bun run viem:build && bun run --cwd packages/seismic-react typecheck",
     "react:build": "bun run --cwd packages/seismic-react build",
     "react:publish": "npm publish -w packages/seismic-react",
diff --git a/packages/seismic-viem-tests/package.json b/packages/seismic-viem-tests/package.json
index fa9041d8..34d62b38 100644
--- a/packages/seismic-viem-tests/package.json
+++ b/packages/seismic-viem-tests/package.json
@@ -1,6 +1,6 @@
 {
   "name": "seismic-viem-tests",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "type": "module",
   "module": "./dist/_esm/index.js",
   "types": "./dist/_types/index.d.ts",
diff --git a/packages/seismic-viem-tests/src/process/node.ts b/packages/seismic-viem-tests/src/process/node.ts
index 71258065..8b493ff9 100644
--- a/packages/seismic-viem-tests/src/process/node.ts
+++ b/packages/seismic-viem-tests/src/process/node.ts
@@ -25,24 +25,27 @@ export type SpawnedNode = {
 
 enum ChainName {
   Anvil = 'anvil',
-  Devnet = 'devnet',
+  Reth = 'reth',
 }
 
+const CHAIN_VALUES = Object.values(ChainName).sort()
+const CHAIN_OPTIONS = `{${CHAIN_VALUES.join('|')}}`
+
 const nameToChain = (name: ChainName): Chain => {
   switch (name) {
     case ChainName.Anvil:
       return sanvil as Chain
-    case ChainName.Devnet:
+    case ChainName.Reth:
       return localSeismicDevnet as Chain
     default:
-      throw new Error(`Unable to map ${name} to Chain`)
+      throw new Error(`CHAIN should be one of ${CHAIN_OPTIONS}`)
   }
 }
 
 export const envChain = (): Chain => {
   const chainName = process.env.CHAIN as ChainName
-  if (!Object.values(ChainName).includes(chainName)) {
-    throw new Error(`CHAIN env variable must be either "anvil" or "reth"`)
+  if (!CHAIN_VALUES.includes(chainName)) {
+    throw new Error(`CHAIN should be one of ${CHAIN_OPTIONS}`)
   }
   return nameToChain(chainName)
 }
@@ -61,23 +64,29 @@ export const setupNode = async (
     case localSeismicDevnet.id:
       return setupRethNode({ port, ...rest })
     default:
-      throw new Error(`Unable to map Chain ${chain.id} to Backend`)
+      throw new Error(`CHAIN should be one of ${CHAIN_OPTIONS}`)
   }
 }
 
 export const buildNode = async (chain: Chain) => {
   switch (chain.id) {
-    case sanvil.id:
+    case sanvil.id: {
       const sfoundryDir = process.env.SFOUNDRY_ROOT
-      if (sfoundryDir) {
-        return buildAnvil(sfoundryDir)
+      if (!sfoundryDir) {
+        throw new Error(
+          'SFOUNDRY_ROOT env variable must be set to build sanvil'
+        )
       }
-    case localSeismicDevnet.id:
+      return buildAnvil(sfoundryDir)
+    }
+    case localSeismicDevnet.id: {
       const srethDir = process.env.SRETH_ROOT
-      if (srethDir) {
-        return buildReth(srethDir)
+      if (!srethDir) {
+        throw new Error('SRETH_ROOT env variable must be set to build reth')
       }
+      return buildReth(srethDir)
+    }
     default:
-      throw new Error(`Unable to map Chain ${chain.id} to Backend`)
+      throw new Error(`CHAIN should be one of ${CHAIN_OPTIONS}`)
   }
 }
diff --git a/tests/seismic-viem/package.json b/tests/seismic-viem/package.json
index 6f3d0ffc..1d0d0bcb 100644
--- a/tests/seismic-viem/package.json
+++ b/tests/seismic-viem/package.json
@@ -6,7 +6,7 @@
     "clean": "rimraf dist",
     "typecheck": "tsc --noEmit",
     "test:anvil": "CHAIN=anvil bun test",
-    "test:devnet": "CHAIN=devnet bun test"
+    "test:reth": "CHAIN=reth bun test"
   },
   "devDependencies": {
     "dotenv": "^16.4.7",