Fix mismatched Microsoft.Graph modules by pinning module versions

linux/powershell/setupPowerShell.ps1

@@ -115,7 +115,7 @@ try {
         PowerShellGet\Install-Module -Name Microsoft.Graph.Identity.DirectoryManagement @prodAllUsers
         PowerShellGet\Install-Module -Name Microsoft.Graph.Identity.Governance @prodAllUsers
         PowerShellGet\Install-Module -Name Microsoft.Graph.Identity.SignIns @prodAllUsers
-        PowerShellGet\Install-Module -Name Microsoft.Graph.Applications @prodAllUsers
+        PowerShellGet\Install-Module -Name Microsoft.Graph.Applications -RequiredVersion 2.28.0 @prodAllUsers
 
     }
     else {

test_graph_modules.ps1

@@ -0,0 +1,21 @@
+Import-Module Microsoft.Graph.Applications -Force -ErrorAction Stop
+Import-Module Microsoft.Graph.Groups -Force -ErrorAction Stop
+
+# Verify modules were loaded successfully
+$appsModule = Get-Module Microsoft.Graph.Applications
+$groupsModule = Get-Module Microsoft.Graph.Groups
+$authModule = Get-Module Microsoft.Graph.Authentication
+
+Write-Host "Microsoft.Graph.Authentication version: $($authModule.Version.ToString())"
+Write-Host "Microsoft.Graph.Applications version: $($appsModule.Version.ToString())"
+Write-Host "Microsoft.Graph.Groups version: $($groupsModule.Version.ToString())"
+
+# This is what we want to check in our test
+if ($appsModule.Version.ToString() -eq $authModule.Version.ToString() -and 
+    $groupsModule.Version.ToString() -eq $authModule.Version.ToString()) {
+    Write-Host "Test passed - all modules have the same version"
+    exit 0
+} else {
+    Write-Host "Test failed - module versions don't match"
+    exit 1
+}

tests/PSinLinuxCloudShellImage.Tests.ps1

@@ -203,6 +203,39 @@ Describe "PowerShell Modules" {
 
     }
 
+    It "Microsoft.Graph modules can be imported in any order" {
+        # This test verifies that Microsoft.Graph.Applications and Microsoft.Graph.Groups 
+        # can be imported in any order without version conflicts
+        try {
+            Import-Module Microsoft.Graph.Applications -Force -ErrorAction Stop
+            Import-Module Microsoft.Graph.Groups -Force -ErrorAction Stop
+
+            # Verify modules were loaded successfully
+            $appsModule = Get-Module Microsoft.Graph.Applications
+            $groupsModule = Get-Module Microsoft.Graph.Groups
+            $authModule = Get-Module Microsoft.Graph.Authentication
+
+            $appsModule | Should -Not -BeNullOrEmpty
+            $groupsModule | Should -Not -BeNullOrEmpty
+            $authModule | Should -Not -BeNullOrEmpty
+
+            # Verify all modules are using the same version of Microsoft.Graph.Authentication
+            $authVersion = $authModule.Version.ToString()
+            $appsVersion = $appsModule.Version.ToString()
+            $groupsVersion = $groupsModule.Version.ToString()
+
+            Write-Host "Microsoft.Graph.Authentication version: $authVersion"
+            Write-Host "Microsoft.Graph.Applications version: $appsVersion"
+            Write-Host "Microsoft.Graph.Groups version: $groupsVersion"
+
+            $appsVersion | Should -Be $authVersion -Because "All Microsoft.Graph modules should use the same version"
+            $groupsVersion | Should -Be $authVersion -Because "All Microsoft.Graph modules should use the same version"
+        }
+        catch {
+            $_.Exception.Message | Should -BeNullOrEmpty -Because "No exceptions should be thrown when importing Microsoft.Graph modules"
+        }
+    }
+
     $importModuleTestCases = @(
         @{ ModuleName = "Microsoft.PowerShell.Management" }
         @{ ModuleName = "PSCloudShellUtility" }
@@ -214,17 +247,30 @@ Describe "PowerShell Modules" {
         @{ ModuleName = "MicrosoftTeams" }
         @{ ModuleName = "Microsoft.PowerShell.SecretManagement" }
         @{ ModuleName = "Microsoft.PowerShell.SecretStore" }
+        @{ ModuleName = "Microsoft.Graph.Authentication" }
+        @{ ModuleName = "Microsoft.Graph.Applications" }
+        @{ ModuleName = "Microsoft.Graph.Groups" }
     )
 
     It "Import-Module test for <ModuleName>" -TestCases $importModuleTestCases {
 
         param($ModuleName)
         try {
-            Import-Module $ModuleName -Force -ErrorAction Stop -ErrorVariable ev
-            $ev | Should -BeNullOrEmpty
+            Import-Module $ModuleName -Force -ErrorAction Stop
+            $module = Get-Module $ModuleName
+            $module | Should -Not -BeNullOrEmpty
+
+            # Verify Microsoft.Graph modules have the correct version
+            if ($ModuleName -like "Microsoft.Graph*") {
+                $authModule = Get-Module "Microsoft.Graph.Authentication"
+                if ($authModule) {
+                    $authVersion = $authModule.Version.ToString()
+                    $module.Version.ToString() | Should -Be $authVersion -Because "All Microsoft.Graph modules should use the same version"
+                }
+            }
         }
         catch {
-            "Unexpected exception thrown: $_" | Should -BeNullOrEmpty
+            $_.Exception.Message | Should -BeNullOrEmpty -Because "No exceptions should be thrown when importing $ModuleName"
         }
 
     }