Update OmniSharp LanguageServer extension package version.

#376

build/dependencies.props

@@ -23,7 +23,7 @@
     <MicrosoftNETFrameworkReferenceAssembliesPackageVersion>1.0.0-preview.1</MicrosoftNETFrameworkReferenceAssembliesPackageVersion>
     <MoqPackageVersion>4.9.0</MoqPackageVersion>
     <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
-    <OmniSharpExtensionsLanguageServerPackageVersion>0.10.0</OmniSharpExtensionsLanguageServerPackageVersion>
+    <OmniSharpExtensionsLanguageServerPackageVersion>0.13.1</OmniSharpExtensionsLanguageServerPackageVersion>
     <OmniSharpMSBuildPackageVersion>1.33.0</OmniSharpMSBuildPackageVersion>
     <SystemRuntimePackageVersion>4.3.0</SystemRuntimePackageVersion>
     <XunitAnalyzersPackageVersion>0.10.0</XunitAnalyzersPackageVersion>

test/Microsoft.AspNetCore.Razor.LanguageServer.Test/BackgroundDocumentGeneratorTest.cs

@@ -13,6 +13,8 @@ using Microsoft.CodeAnalysis.Razor;
 using Microsoft.CodeAnalysis.Razor.ProjectSystem;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json.Linq;
+using OmniSharp.Extensions.JsonRpc;
+using OmniSharp.Extensions.LanguageServer.Protocol;
 using OmniSharp.Extensions.LanguageServer.Protocol.Server;
 using Xunit;
 
@@ -324,6 +326,18 @@ namespace Microsoft.AspNetCore.Razor.LanguageServer
 
             public ILanguageServerWorkspace Workspace => throw new NotImplementedException();
 
+            public IDisposable AddHandler(string method, IJsonRpcHandler handler) => throw new NotImplementedException();
+
+            public IDisposable AddHandler(string method, Func<IServiceProvider, IJsonRpcHandler> handlerFunc) => throw new NotImplementedException();
+
+            public IDisposable AddHandler<T>() where T : IJsonRpcHandler => throw new NotImplementedException();
+
+            public IDisposable AddHandlers(params IJsonRpcHandler[] handlers) => throw new NotImplementedException();
+
+            public IDisposable AddTextDocumentIdentifier(params ITextDocumentIdentifier[] handlers) => throw new NotImplementedException();
+
+            public IDisposable AddTextDocumentIdentifier<T>() where T : ITextDocumentIdentifier => throw new NotImplementedException();
+
             public TaskCompletionSource<JToken> GetRequest(long id) => throw new NotImplementedException();
 
             public void SendNotification(string method) => throw new NotImplementedException();