Stop when test fails (Azure#13780)

Author: dolauli

.azure-pipelines/util/test-steps.yml

@@ -38,6 +38,7 @@ steps:
   condition: and(succeeded(), ne('${{ parameters.testTarget }}', 'Test'))
 
 - pwsh: |
+   $ErrorActionPreference = 'Stop'
    Install-Module -Name Pester -RequiredVersion 4.10.1 -Force
    Install-Module -Name Az.Accounts -Scope CurrentUser -Force
    if ($IsWindows) { $sp = ";" } else { $sp = ":" }
@@ -54,4 +55,4 @@ steps:
 
 - template: publish-artifacts-steps.yml
   parameters:
-    artifactName: test-${{ parameters.osName }}
+    artifactName: test-${{ parameters.osName }}