Make test exports non-discoverable

src/Features/LanguageServer/ProtocolUnitTests/Ordering/FailingMutatingRequestHandler.cs

@@ -11,7 +11,7 @@
 
 namespace Microsoft.CodeAnalysis.LanguageServer.UnitTests.RequestOrdering
 {
-    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: true)]
+    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: true), PartNotDiscoverable]
     internal class FailingMutatingRequestHandler : AbstractRequestHandler<TestRequest, TestResponse>
     {
         public const string MethodName = nameof(FailingMutatingRequestHandler);

src/Features/LanguageServer/ProtocolUnitTests/Ordering/FailingRequestHandler.cs

@@ -11,7 +11,7 @@
 
 namespace Microsoft.CodeAnalysis.LanguageServer.UnitTests.RequestOrdering
 {
-    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: false)]
+    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: false), PartNotDiscoverable]
     internal class FailingRequestHandler : AbstractRequestHandler<TestRequest, TestResponse>
     {
         public const string MethodName = nameof(FailingRequestHandler);

src/Features/LanguageServer/ProtocolUnitTests/Ordering/MutatingRequestHandler.cs

@@ -11,7 +11,7 @@
 
 namespace Microsoft.CodeAnalysis.LanguageServer.UnitTests.RequestOrdering
 {
-    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: true)]
+    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: true), PartNotDiscoverable]
     internal class MutatingRequestHandler : AbstractRequestHandler<TestRequest, TestResponse>
     {
         public const string MethodName = nameof(MutatingRequestHandler);

src/Features/LanguageServer/ProtocolUnitTests/Ordering/NonMutatingRequestHandler.cs

@@ -11,7 +11,7 @@
 
 namespace Microsoft.CodeAnalysis.LanguageServer.UnitTests.RequestOrdering
 {
-    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: false)]
+    [Shared, ExportLspMethod(MethodName, mutatesSolutionState: false), PartNotDiscoverable]
     internal class NonMutatingRequestHandler : AbstractRequestHandler<TestRequest, TestResponse>
     {
         public const string MethodName = nameof(NonMutatingRequestHandler);