Update azure-pipelines.yml

azure-pipelines.yml

@@ -26,7 +26,7 @@ steps:
     platform: '$(buildPlatform)'
     configuration: '$(buildConfiguration)'
 
-- script: dotnet test '$(solution)' --logger trx
+- script: dotnet test dirs.sln --logger trx
 - task: PublishTestResults@2
   condition: succeededOrFailed()
   inputs: