Keep deferred configuration callbacks in script scope on PowerShell 5.1

.github/workflows/configuration-results.yml

@@ -11,6 +11,12 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Actual script-scope helpers with disposable HKCU key in Windows PowerShell 5.1
+        shell: powershell
+        run: ./tests/Test-ConfigurationScriptScopeWindows.ps1
+      - name: Actual script-scope helpers with disposable HKCU key in PowerShell 7
+        shell: pwsh
+        run: ./tests/Test-ConfigurationScriptScopeWindows.ps1
       - name: Mocked regressions in Windows PowerShell 5.1
         shell: powershell
         run: ./tests/Test-ConfigurationResults.ps1
@@ -35,3 +41,9 @@ jobs:
       - name: Profile integration in PowerShell 7
         shell: pwsh
         run: ./tests/IntegrationProfileConfiguration.Tests.ps1
+      - name: Dry-run and NTLM race safety in Windows PowerShell 5.1
+        shell: powershell
+        run: ./tests/IntegrationSafety.Tests.ps1
+      - name: Dry-run and NTLM race safety in PowerShell 7
+        shell: pwsh
+        run: ./tests/IntegrationSafety.Tests.ps1