Ignore tests failing on Mono

Ignore tests that fail on Unix / Mono due to pathing problems, as explained in GitTools#29.

Author: asbjornu

.travis.yml

@@ -7,4 +7,4 @@ install:
   - nuget install NUnit.Runners -Version 3.2.1 -OutputDirectory ./src/packages
 script:
   - xbuild ./src/GitTools.Core.sln /property:Configuration="Debug" /verbosity:detailed
-  - mono --debug --runtime=v4.0.30319 ./src/packages/NUnit.ConsoleRunner.3.2.1/tools/nunit3-console.exe ./output/debug/GitTools.Core.Tests/net45/GitTools.Core.Tests.dll
+  - mono --debug --runtime=v4.0.30319 ./src/packages/NUnit.ConsoleRunner.3.2.1/tools/nunit3-console.exe ./output/debug/GitTools.Core.Tests/net45/GitTools.Core.Tests.dll -where "cat != NoMono"

src/GitTools.Core.Tests/Git/GitRepositoryFactoryTests.cs

@@ -19,6 +19,7 @@ public class GitRepositoryFactoryTests
         [Test]
         [TestCase(DefaultBranchName, DefaultBranchName)]
         [TestCase(SpecificBranchName, SpecificBranchName)]
+        [Category("NoMono")]
         public void WorksCorrectlyWithRemoteRepository(string branchName, string expectedBranchName)
         {
             var repoName = Guid.NewGuid().ToString();
@@ -122,6 +123,7 @@ public void UpdatesExistingDynamicRepository()
         }
 
         [Test]
+        [Category("NoMono")]
         public void PicksAnotherDirectoryNameWhenDynamicRepoFolderTaken()
         {
             var repoName = Guid.NewGuid().ToString();