Fixed some errors after merge

Octokit.Reactive/Clients/ObservableReferencesClient.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Reactive;
 using System.Reactive.Threading.Tasks;
-
 using Octokit.Reactive.Internal;
 
 namespace Octokit.Reactive

Octokit.Tests/Clients/CommitsClientTests.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using NSubstitute;
+using Octokit;
 using Octokit.Tests.Helpers;
 using Xunit;
 

Octokit.Tests/Clients/GistsClientTests.cs

@@ -1,5 +1,6 @@
 using System;
 using NSubstitute;
+using Octokit;
 using Xunit;
 
 public class GistsClientTests

Octokit.Tests/Clients/GitDatabaseClientTests.cs

@@ -1,5 +1,6 @@
 using System;
 using NSubstitute;
+using Octokit;
 using Xunit;
 
 public class GitDatabaseClientTests

Octokit.Tests/Clients/IssueCommentsClientTests.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading.Tasks;
 using NSubstitute;
+using Octokit;
 using Octokit.Internal;
 using Octokit.Tests.Helpers;
 using Xunit;

Octokit.Tests/Clients/ReferencesClientTests.cs

@@ -1,10 +1,7 @@
 using System;
 using System.Threading.Tasks;
-
 using NSubstitute;
-
 using Octokit.Tests.Helpers;
-
 using Xunit;
 
 namespace Octokit.Tests.Clients

Octokit.Tests/Models/NewReferenceTests.cs

@@ -1,7 +1,5 @@
 using System;
-
 using Octokit;
-
 using Xunit;
 
 public class NewReferenceTests

Octokit.Tests/Octokit.Tests.csproj

@@ -64,6 +64,7 @@
     <Compile Include="Authentication\CredentialsTests.cs" />
     <Compile Include="Clients\GistsClientTests.cs" />
     <Compile Include="Clients\BlobClientTests.cs" />
+    <Compile Include="Clients\ReferencesClientTests.cs" />
     <Compile Include="Clients\RepoCollaboratorsClientTests.cs" />
     <Compile Include="Clients\EventsClientTests.cs" />
     <Compile Include="Clients\AssigneesClientTests.cs" />