Fix unit tests for latest nightly

Author: tyranron

Diff for: juniper/src/parser/lexer.rs

@@ -1,9 +1,4 @@
-use std::{
-    char, fmt,
-    iter::{Iterator, Peekable},
-    result::Result,
-    str::CharIndices,
-};
+use std::{char, fmt, iter::Peekable, str::CharIndices};
 
 use crate::parser::{SourcePosition, Spanning};
 

Diff for: juniper/src/parser/parser.rs

@@ -1,4 +1,4 @@
-use std::{error::Error, fmt, result::Result};
+use std::{error::Error, fmt};
 
 use smartstring::alias::String;
 

Diff for: juniper/src/schema/meta.rs

@@ -1,10 +1,7 @@
 //! Types used to describe a `GraphQL` schema
 
 use juniper::IntoFieldError;
-use std::{
-    borrow::{Cow, ToOwned},
-    fmt,
-};
+use std::{borrow::Cow, fmt};
 
 use crate::{
     ast::{FromInputValue, InputValue, Type},

Diff for: juniper/src/types/scalars.rs

@@ -1,6 +1,4 @@
-use std::{
-    char, convert::From, fmt, marker::PhantomData, ops::Deref, rc::Rc, thread::JoinHandle, u32,
-};
+use std::{char, fmt, marker::PhantomData, ops::Deref, rc::Rc, thread::JoinHandle, u32};
 
 use serde::{Deserialize, Serialize};
 

Diff for: juniper/src/types/utilities.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashSet, iter::Iterator};
+use std::collections::HashSet;
 
 use crate::{
     ast::InputValue,

Diff for: juniper_graphql_ws/src/graphql_transport_ws/mod.rs

@@ -611,16 +611,21 @@ where
 
 #[cfg(test)]
 mod test {
-    use std::{convert::Infallible, io};
+    use std::{convert::Infallible, io, sync::Arc, time::Duration};
 
     use juniper::{
-        futures::sink::SinkExt,
+        futures::{
+            future::{self, FutureExt as _},
+            sink::SinkExt,
+            stream::{self, BoxStream, StreamExt as _},
+        },
         graphql_input_value, graphql_object, graphql_subscription, graphql_value, graphql_vars,
         parser::{ParseError, Spanning},
-        DefaultScalarValue, EmptyMutation, FieldError, FieldResult, RootNode, Variables,
+        DefaultScalarValue, EmptyMutation, FieldError, FieldResult, GraphQLError, RootNode,
+        Variables,
     };
 
-    use super::*;
+    use super::{Connection, ConnectionConfig, NextPayload, Output, SubscribePayload};
 
     struct Context(i32);
 

Diff for: juniper_graphql_ws/src/graphql_ws/mod.rs

@@ -23,8 +23,8 @@ use std::{
 use juniper::{
     futures::{
         channel::oneshot,
-        future::{self, BoxFuture, Either, Future, FutureExt, TryFutureExt},
-        stream::{self, BoxStream, SelectAll, StreamExt},
+        future::{self, BoxFuture, Either, Future, FutureExt as _, TryFutureExt as _},
+        stream::{self, BoxStream, SelectAll, StreamExt as _},
         task::{Context, Poll, Waker},
         Sink, Stream,
     },
@@ -547,16 +547,21 @@ where
 
 #[cfg(test)]
 mod test {
-    use std::{convert::Infallible, io};
+    use std::{convert::Infallible, io, sync::Arc, time::Duration};
 
     use juniper::{
-        futures::sink::SinkExt,
+        futures::{
+            future::{self, FutureExt as _},
+            sink::SinkExt,
+            stream::{self, BoxStream, StreamExt as _},
+        },
         graphql_input_value, graphql_object, graphql_subscription, graphql_value, graphql_vars,
         parser::{ParseError, Spanning},
-        DefaultScalarValue, EmptyMutation, FieldError, FieldResult, RootNode, Variables,
+        DefaultScalarValue, EmptyMutation, FieldError, FieldResult, GraphQLError, RootNode,
+        Variables,
     };
 
-    use super::*;
+    use super::{Connection, ConnectionConfig, ConnectionErrorPayload, DataPayload, StartPayload};
 
     struct Context(i32);
 

Diff for: juniper_subscriptions/src/lib.rs

@@ -242,10 +242,15 @@ where
 
 #[cfg(test)]
 mod whole_responses_stream {
+    use std::task::Poll;
+
     use futures::{stream, StreamExt as _};
-    use juniper::{graphql_value, DefaultScalarValue, ExecutionError, FieldError};
+    use juniper::{
+        graphql_value, DefaultScalarValue, ExecutionError, ExecutionOutput, FieldError, Object,
+        Value, ValuesStream,
+    };
 
-    use super::*;
+    use super::whole_responses_stream;
 
     #[tokio::test]
     async fn with_error() {