fix gist test and remove some whitespace

Octokit.Tests.Integration/GistsClientTests.cs

@@ -27,6 +27,5 @@ namespace Octokit.Tests.Integration
             var retrieved = await this._gistsClient.Get(6305249);
             Assert.NotNull(retrieved);
         }
-
     }
 }

Octokit.Tests/Clients/GistsClientTests.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using NSubstitute;
 using Octokit;
 using Xunit;
@@ -9,7 +7,6 @@ public class GistsClientTests
 {
     public class TheGetMethod
     {
-
         [Fact]
         public void RequestsCorrectUrl()
         {
@@ -18,7 +15,7 @@ public class GistsClientTests
 
             client.Get(1);
 
-            connection.Received().Get<Gist>(Arg.Is<Uri>(u => u.ToString() == "repos/owner/repo/git/commits/reference"), null);
+            connection.Received().Get<Gist>(Arg.Is<Uri>(u => u.ToString() == "gists/1"), null);
         }
     }
 

Octokit/Clients/GistsClient.cs

@@ -20,7 +20,5 @@ namespace Octokit
         {
             return ApiConnection.Get<Gist>(ApiUrls.Gist(id));
         }
-
-    
     }
 }