Add option update_password (always, on_create) to tower_user module

awx_collection/test/awx/test_user.py

@@ -44,3 +44,16 @@ def test_password_no_op_warning(run_module, admin_user, mock_auth_stuff, silence
     silence_warning.assert_called_once_with(
         "The field password of user {0} has encrypted data and "
         "may inaccurately report task is changed.".format(result['id']))
+
+
+@pytest.mark.django_db
+def test_update_password_on_create(run_module, admin_user, mock_auth_stuff):
+    for i in range(2):
+        result = run_module('tower_user', dict(
+            username='Bob',
+            password='pass4word',
+            update_password='on_create'
+        ), admin_user)
+        assert not result.get('failed', False), result.get('msg', result)
+
+    assert not result.get('changed')