Update azure-pipelines.yml for Azure Pipelines

azure-pipelines.yml

@@ -34,18 +34,12 @@ steps:
       "%ProgramFiles(x86)%\Microsoft SDKs\Azure\Storage Emulator\AzureStorageEmulator.exe" init /server "(localdb)\MsSqlLocalDb"
       "%ProgramFiles(x86)%\Microsoft SDKs\Azure\Storage Emulator\AzureStorageEmulator.exe" start
 
-- task: PowerShell@2
-  displayName: Define environment variables.
-  inputs:
-    targetType: 'inline'
-    script: |
-      Write-Host "Setting environment variables for testing."
-      Write-Host "##vso[task.setvariable variable=AzureWebJobsStorage;]$(AzureWebJobsStorage)"
-      Write-Host "##vso[task.setvariable variable=EventHubsConnection;]$(EventHubsConnection)"
-
 - task: DotNetCoreCLI@2
+  variables: 
+    AzureWebJobsStorage: $(AzureWebJobsStorage)
+    EventHubsConnection: $(EventHubsConnection)
   inputs:
-    command: 'test'
+    command: 'test' 
     projects: '**/DurableTask.Netherite*Tests.csproj'
     arguments: '--configuration $(buildConfiguration) --verbosity normal'
     testRunTitle: 'Running DurableTask.Netherite.AzureFunctions.Tests'