Add alias for group children of groups

awx_collection/test/awx/test_group.py

@@ -77,6 +77,23 @@ def test_associate_on_create(run_module, admin_user, organization):
     assert set(group.children.all()) == set([child])
 
 
+@pytest.mark.django_db
+def test_children_alias_of_groups(run_module, admin_user, organization):
+    inv = Inventory.objects.create(name='test-inv', organization=organization)
+    group = Group.objects.create(name='Test Group', inventory=inv)
+    child = Group.objects.create(inventory=inv, name='child_group')
+    result = run_module('tower_group', dict(
+        name='Test Group',
+        inventory='test-inv',
+        groups=[child.name],
+        state='present'
+    ), admin_user)
+    assert not result.get('failed', False), result.get('msg', result)
+    assert result['changed'] is True
+
+    assert set(group.children.all()) == set([child])
+
+
 @pytest.mark.django_db
 def test_tower_group_idempotent(run_module, admin_user):
     # https://github.com/ansible/ansible/issues/46803