Disable AppVeyor test reporting
Disable AppVeyor test reporting

We'll still see test results in the log, but not in the tests tab.

chrisdunelm/gcloud-dotnet,jskeet/google-cloud-dotnet,chrisdunelm/google-cloud-dotnet,jskeet/google-cloud-dotnet,iantalarico/google-cloud-dotnet,googleapis/google-cloud-dotnet,evildour/google-cloud-dotnet,googleapis/google-cloud-dotnet,googleapis/google-cloud-dotnet,benwulfe/google-cloud-dotnet,jskeet/google-cloud-dotnet,jskeet/gcloud-dotnet,iantalarico/google-cloud-dotnet,evildour/google-cloud-dotnet,benwulfe/google-cloud-dotnet,jskeet/google-cloud-dotnet,iantalarico/google-cloud-dotnet,benwulfe/google-cloud-dotnet,jskeet/google-cloud-dotnet,evildour/google-cloud-dotnet,chrisdunelm/google-cloud-dotnet,chrisdunelm/google-cloud-dotnet