Remove pre-installed Pester module (#25304)

tools/TestFx/EnvironmentSetupHelper.cs

@@ -538,9 +538,14 @@ namespace Microsoft.Azure.Commands.TestFx
                 output = powershell.Invoke();
                 watch.Stop();
 
-                var resultFormatting = watch.ElapsedMilliseconds < 5000 ? "##[section]" : "##[warning]";
-
-                Console.WriteLine($"{resultFormatting}Test {testName} completed in {watch.ElapsedMilliseconds}ms");
+                if (watch.ElapsedMilliseconds < 5000)
+                {
+                    Console.WriteLine($"INFO : Test {testName} completed in {watch.ElapsedMilliseconds}ms");
+                }
+                else
+                {
+                    Console.WriteLine($"##[warning]WARNING : Test {testName} completed in {watch.ElapsedMilliseconds}ms");
+                }
 
                 if (powershell.Streams.Error.Count > 0)
                 {

tools/TestFx/Utilities/CommonUtility.ps1

@@ -2,19 +2,49 @@ function RemovePreInstalledModule {
     [CmdletBinding()]
     param(
         [Parameter(Mandatory, Position = 0)]
-        [Alias("ModuleName")]
         [ValidateNotNullOrEmpty()]
-        [string] $Name
+        [hashtable] $ModuleToRemove
     )
 
-    # Remove Az modules
-    Get-Module -Name $Name* -ListAvailable | ForEach-Object {
-        $moduleDirectory = $_.Path | Split-Path | Split-Path
-        if (Test-Path -LiteralPath $moduleDirectory) {
-            Remove-Item -LiteralPath $moduleDirectory -Recurse -Force
+    $ModuleToRemove.Keys | ForEach-Object {
+        $moduleName = $_
+        $moduleVersion = $ModuleToRemove[$moduleName]
+
+        Write-Host "##[group]Processing module $moduleName"
+
+        Write-Host "All installed modules with name $moduleName :"
+        Get-Module -Name $moduleName -ListAvailable
+        Write-Host
+
+        $modules = Get-Module -Name $moduleName -ListAvailable | Where-Object Version -gt ([Version]$moduleVersion)
+        $modules | ForEach-Object {
+            $installedModule = $_
+            $installedModuleName = $installedModule.Name
+
+            Write-Host "##[section]Unqualified pre-installed module is $installedModuleName with version $($installedModule.Version)."
+            $installedModule | Format-List
+
+            $moduleDirectory = $installedModule.Path | Split-Path | Split-Path
+            if (Test-Path -Path $moduleDirectory) {
+                Write-Host "##[section]Start to remove module located in $moduleDirectory."
+                Remove-Item -Path $moduleDirectory -Recurse -Force -ErrorAction SilentlyContinue
+                Write-Host "##[section]Module $installedModuleName has been removed."
+                Write-Host
+            }
         }
+
+        Write-Host "##[endgroup]"
+        Write-Host
     }
 }
 
-RemovePreInstalledModule -Name Az
-RemovePreInstalledModule -Name AzureRM
+$modulesToRemove = @{
+    "Az" = "0.0.0.0";
+    "Az.*" = "0.0.0.0";
+    "Azure" = "0.0.0.0";
+    "Azure.*" = "0.0.0.0";
+    "AzureRM" = "0.0.0.0";
+    "AzureRM.*" = "0.0.0.0";
+    "Pester" = "4.10.1.0"
+}
+RemovePreInstalledModule -ModuleToRemove $modulesToRemove