fix issue of test pipelines (#25443)

* fix pipeline error

* fix pipeline error

Author: Nickcandy

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

@@ -94,7 +94,7 @@ jobs:
       targetType: inline
       script: |
         $azPackagesDir = New-Item -Name AzPreviewPackages -Path $(DataLocation) -ItemType Directory -Force
-        $azPackagesFiles = Join-Path -Path $(Pipeline.Workspace) -ChildPath *.nupkg
+        $azPackagesFiles =  Get-ChildItem -Path "$(Pipeline.Workspace)" -Recurse -Filter "*.nupkg" 
         Move-Item -Path $azPackagesFiles -Destination $azPackagesDir
         Get-ChildItem -LiteralPath $azPackagesDir
 

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

@@ -76,7 +76,8 @@ jobs:
       targetType: 'inline'
       script: |
        New-Item -Path "$(Pipeline.Workspace)" -Name "LocalRepo" -ItemType "directory"
-       Get-ChildItem -Path "$(Pipeline.Workspace)" -Recurse -Filter "*.nupkg" | ForEach-Object { Copy-Item -Path $_.FullName -Destination "$(Pipeline.Workspace)\LocalRepo\" -Force }
+       $fileList = Get-ChildItem -Path "$(Pipeline.Workspace)" -Recurse -Filter "*.nupkg" 
+       $fileList | ForEach-Object { Copy-Item -Path $_.FullName -Destination "$(Pipeline.Workspace)\LocalRepo\" -Force }
        Write-Host "List artifacts..."
        Get-ChildItem "$(Pipeline.Workspace)\\LocalRepo\\"