Fix test coverage raw data empty issue on macOS (#21891)

Author: vidai-msft

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

@@ -31,6 +31,13 @@ steps:
     packageType: sdk
     version: 3.1.x
 
+- task: PowerShell@2
+  displayName: Remove pre-installed Az modules
+  inputs:
+    pwsh: true
+    targetType: filePath
+    filePath: ./tools/TestFx/Utilities/CommonUtility.ps1
+
 - task: DotNetCoreCLI@2
   displayName: Test
   inputs:
@@ -54,13 +61,12 @@ steps:
 
 - pwsh: |
    Install-Module -Name Pester -RequiredVersion 4.10.1 -Force
-   Import-Module (Join-Path -Path . -ChildPath Az.Accounts | Join-Path -ChildPath Az.Accounts.psd1) -Force
    if ($IsWindows) { $sp = ";" } else { $sp = ":" }
    $env:PSModulePath = $env:PSModulePath + $sp + (pwd).Path
    $rootFolder = (Get-item $PWD).Parent.Parent
    Get-ChildItem -File -Recurse test-module.ps1 | ForEach-Object {
     Write-Host $_.Directory.FullName
-    cd $rootFolder;
+    cd $rootFolder
     .\tools\ExecuteCIStep.ps1 -TestAutorest -AutorestDirectory $_.Directory.FullName
    }
   workingDirectory: 'artifacts/Debug'

tools/TestFx/Coverage/AnalyzeTestCoverage.ps1

@@ -191,11 +191,13 @@ foreach ($moduleName in $allModules) {
         $cvgBaseline | Export-Csv -Path $cvgBaselineCsv -Encoding utf8 -NoTypeInformation -Append -Force
     }
 
-    Write-Host "##[section]`"$moduleName`" total commands # : $totalCommandsCount" -ForegroundColor Green
-    Write-Host "##[section]`"$moduleName`" tested commands # : $totalTestedCommandsCount" -ForegroundColor Green
-    Write-Host "##[section]`"$moduleName`" test coverage % : $cvgCommand" -ForegroundColor Green
+    if ($CalcBaseline.IsPresent) {
+        Write-Host "##[section]`"$moduleName`" total commands # : $totalCommandsCount" -ForegroundColor Green
+        Write-Host "##[section]`"$moduleName`" tested commands # : $totalTestedCommandsCount" -ForegroundColor Green
+        Write-Host "##[section]`"$moduleName`" test coverage % : $cvgCommand" -ForegroundColor Green
 
-    Write-Host
+        Write-Host
+    }
 }
 
 if ($CalcBaseline.IsPresent) {
@@ -207,8 +209,8 @@ if ($CalcBaseline.IsPresent) {
         CommandCoverage = $cvgOverall
     }
     $cvgReportOverall | Export-Csv -Path $cvgReportCsv -Encoding utf8 -NoTypeInformation -Append -Force
-}
 
-Write-Host "##[section]Overall commands # : $overallCommandsCount" -ForegroundColor Magenta
-Write-Host "##[section]Overall tested commands # : $overallTestedCommandsCount" -ForegroundColor Magenta
-Write-Host "##[section]Overall test coverage % : $cvgOverall" -ForegroundColor Magenta
+    Write-Host "##[section]Overall commands # : $overallCommandsCount" -ForegroundColor Magenta
+    Write-Host "##[section]Overall tested commands # : $overallTestedCommandsCount" -ForegroundColor Magenta
+    Write-Host "##[section]Overall test coverage % : $cvgOverall" -ForegroundColor Magenta
+}

tools/TestFx/Coverage/ValidateTestCoverage.ps1

@@ -36,7 +36,7 @@ $cvgMessageHeader80 = "|Type|Title|Current Coverage|Last Coverage|Description|`n
 
 $rptData | Where-Object Module -in $testedModules | ForEach-Object {
     $module = $_.Module
-    Write-Host "##[section]Validating test coverage for module $module..."
+    Write-Host "##[section]Validating test coverage for module $module ..."
 
     $cmdCvg = $_.CommandCoverage
     $cmdCvgD = [decimal]$cmdCvg.TrimEnd("%") / 100