Add test file

Author: adityapatwardhan

test/GroupPolicyEnforcement.Tests.ps1

@@ -0,0 +1,45 @@
+# Copyright (c) Microsoft Corporation.
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+# Add Pester test to check the API for GroupPolicyEnforcement
+
+Describe 'GroupPolicyEnforcement API Tests' {
+    BeforeAll {
+        # Setup code if needed
+    }
+
+    AfterAll {
+        # Cleanup code if needed
+    }
+
+    It 'Should return the correct policy enforcement status' {
+
+        try {
+            $expectedStatus = 'Disabled'
+            $actualStatus = [Microsoft.PowerShell.PSResourceGet.Cmdlets.GroupPolicyRepositoryEnforcement]::IsGroupPolicyEnabled()
+            $actualStatus | Should -Be $expectedStatus
+        }
+        finally {
+
+        }
+
+    }
+
+    It 'Should throw an error for invalid policy name' {
+        # Arrange
+        $invalidPolicyName = 'InvalidPolicy'
+
+        # Act & Assert
+        { Get-GroupPolicyEnforcementStatus -PolicyName $invalidPolicyName } | Should -Throw
+    }
+
+    It 'Should return a list of all enforced policies' {
+        # Act
+        $policies = Get-AllEnforcedPolicies
+
+        # Assert
+        $policies | Should -Not -BeNullOrEmpty
+        $policies | Should -BeOfType 'System.Collections.Generic.List[System.String]'
+    }
+}