test(m365): isolate Entra client mocks

- Prevent organization state from leaking between checks
- Configure the plural organizations attribute used by production

Author: HugoPBrito

tests/providers/m365/services/entra/entra_password_hash_sync_enabled/entra_password_hash_sync_enabled_test.py

@@ -135,7 +135,7 @@ def test_password_hash_sync_disabled_two_org(self):
 
     def test_empty_organization(self):
         entra_client = mock.MagicMock()
-        entra_client.organization = []
+        entra_client.organizations = []
 
         with (
             mock.patch(

tests/providers/m365/services/entra/entra_password_protection_on_premises_enforced/entra_password_protection_on_premises_enforced_test.py

@@ -11,7 +11,7 @@
 
 class Test_entra_password_protection_on_premises_enforced:
     def _run(self, directory_settings, organizations=None):
-        entra_client = mock.MagicMock
+        entra_client = mock.MagicMock()
         with (
             mock.patch(
                 "prowler.providers.common.provider.Provider.get_global_provider",