update test cases

src/EditorFeatures/CSharpTest/GenerateFromMembers/GenerateEqualsAndGetHashCodeFromMembers/GenerateEqualsAndGetHashCodeFromMembersTests.cs

@@ -2458,6 +2458,7 @@ public class C[||]
 @"
 #nullable enable
 using System;
+using System.Collections.Generic;
 
 namespace N
 {
@@ -2473,7 +2474,7 @@ public override bool Equals(object? obj)
 
         public static bool operator ==(C? left, C? right)
         {
-            return global::System.Collections.Generic.EqualityComparer<global::N.C>.Default.Equals(left, right);
+            return EqualityComparer<C>.Default.Equals(left, right);
         }
 
         public static bool operator !=(C? left, C? right)
@@ -2532,53 +2533,6 @@ public override bool Equals(object? obj)
 }",
 chosenSymbols: null,
 optionsCallback: options => EnableOption(options, GenerateOperatorsId),
-parameters: CSharpLatestImplicit);
-        }
-
-
-        [WorkItem(40053, "https://github.com/dotnet/roslyn/issues/40053")]
-        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateEqualsAndGetHashCode)]
-        public async Task TestGenerateOperators5()
-        {
-            await TestWithPickMembersDialogAsync(
-@"
-using System;
-
-namespace N
-{
-    public class C[||]
-    {
-        public int X;
-    }
-}",
-@"
-using System;
-
-namespace N
-{
-    public class C
-    {
-        public int X;
-
-        public override bool Equals(object obj)
-        {
-            return obj is C c &&
-                   X == c.X;
-        }
-
-        public static bool operator ==(C left, C right)
-        {
-            return left.Equals(right);
-        }
-
-        public static bool operator !=(C left, C right)
-        {
-            return !(left == right);
-        }
-    }
-}",
-chosenSymbols: null,
-optionsCallback: options => EnableOption(options, GenerateOperatorsId),
 parameters: CSharpLatestImplicit);
         }
     }