Refactor PowerShell module installation for AzPolicyTest and update action name for clarity

Author: taoyangcloud

.github/actions/templates/policyDocGenerateWiki/action.yml

@@ -63,7 +63,7 @@ runs:
       with:
         fetch-depth: 0
 
-    - name: 'Install PowerShell-Yaml Module'
+    - name: 'Install PowerShell Modules'
       shell: pwsh
       run: |
         if (-not (Get-Module -ListAvailable -Name powershell-yaml)) {
@@ -96,10 +96,7 @@ runs:
         git config --global user.name "${inputs.gitUserName}"
         git config --global user.email "${inputs.gitUserEmail}"
         #git config --global http.extraheader "AUTHORIZATION: basic $token"
-    - name: Install AzPolicyTest module
-      shell: pwsh
-      run: |
-        Install-Module -Name AzPolicyTest -RequiredVersion 3.0.0 -Force -Scope CurrentUser
+
     - name: Generate Wiki
       id: generate_wiki
       continue-on-error: true

scripts/github-set-variables.ps1

@@ -21,6 +21,13 @@ if (-not (Get-Module -ListAvailable -Name powershell-yaml)) {
 }
 Import-Module powershell-yaml
 
+# Import AzPolicyTest module for YAML parsing
+if (-not (Get-Module -ListAvailable -Name AzPolicyTest)) {
+  Write-Verbose "Installing AzPolicyTest module..."
+  Install-Module -Name AzPolicyTest -RequiredVersion 3.0.0 -Force -Scope CurrentUser
+}
+Import-Module AzPolicyTest
+
 # Read and parse YAML file
 Write-Output "Reading configuration from: $configFilePath"
 $yamlContent = Get-Content -Path $configFilePath -Raw