use localized resources in unit tests

also undo an eager localization of a string

src/EditorFeatures/CSharpTest/EditAndContinue/ActiveStatementTests.cs

@@ -769,7 +769,7 @@ class Foo
             var active = GetActiveStatements(src1, src2);
 
             edits.VerifyRudeDiagnostics(active,
-                Diagnostic(RudeEditKind.Renamed, "int b", FeaturesResources.Parameter));
+                Diagnostic(RudeEditKind.Renamed, "int b", "parameter"));
         }
 
         [WorkItem(742334)]
@@ -818,7 +818,7 @@ class Foo
             var active = GetActiveStatements(src1, src2);
 
             edits.VerifyRudeDiagnostics(active,
-                Diagnostic(RudeEditKind.InitializerUpdate, "int a = 42", FeaturesResources.Parameter));
+                Diagnostic(RudeEditKind.InitializerUpdate, "int a = 42", "parameter"));
         }
 
         [WorkItem(742334)]

src/EditorFeatures/CSharpTest/EditAndContinue/RudeEditStatementTests.cs

@@ -4355,8 +4355,8 @@ void F()
             var edits = GetTopEdits(src1, src2);
 
             edits.VerifySemanticDiagnostics(
-                Diagnostic(RudeEditKind.ChangingQueryLambdaType, "from", "from clause"),
-                Diagnostic(RudeEditKind.ChangingQueryLambdaType, "select", "select clause"));
+                Diagnostic(RudeEditKind.ChangingQueryLambdaType, "from", CSharpFeaturesResources.FromClause),
+                Diagnostic(RudeEditKind.ChangingQueryLambdaType, "select", CSharpFeaturesResources.SelectClause));
         }
 
         [Fact]

src/EditorFeatures/CSharpTest/EditAndContinue/RudeEditTopLevelTests.cs

@@ -2465,7 +2465,7 @@ public Task<int> WaitAsync()
 }";
             var edits = GetTopEdits(src1, src2);
             edits.VerifyRudeDiagnostics(
-                Diagnostic(RudeEditKind.Delete, "await", "await expression"));
+                Diagnostic(RudeEditKind.Delete, "await", CSharpFeaturesResources.AwaitExpression));
         }
 
         [Fact]