Update appveyor.yml

pirms 7 gadiem · 4519c4fe3d
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,4 +13,4 @@ build:
  project: MQTTnet.sln
  verbosity: minimal
 test_script:
 - cmd: dotnet vstest /logger:Appveyor "%APPVEYOR_BUILD_FOLDER%\Tests\MQTTnet.Core.Tests\bin\Release\netcoreapp2.0\MQTTnet.Core.Tests.dll" /UseVsixExtensions:true
 - cmd: dotnet vstest /logger:Appveyor "%APPVEYOR_BUILD_FOLDER%\Tests\MQTTnet.Core.Tests\bin\Release\netcoreapp2.0\MQTTnet.Core.Tests.dll"