ferruzzi commented on code in PR #29144:
URL: https://github.com/apache/airflow/pull/29144#discussion_r1086120021


##########
tests/providers/amazon/aws/operators/test_lambda_function.py:
##########
@@ -90,65 +84,69 @@ def test_init(self):
         assert lambda_operator.log_type == "None"
         assert lambda_operator.aws_conn_id == "aws_conn_test"
 
-    @staticmethod
-    def create_zip(body):
-        code = body
-        zip_output = io.BytesIO()
-        with zipfile.ZipFile(zip_output, "w", zipfile.ZIP_DEFLATED) as 
zip_file:
-            zip_file.writestr("lambda_function.py", code)
-        zip_output.seek(0)
-        return zip_output.read()
-
-    @staticmethod
-    def create_iam_role(role_name: str):
-        iam = AwsBaseHook("aws_conn_test", client_type="iam")
-        resp = iam.conn.create_role(
-            RoleName=role_name,
-            AssumeRolePolicyDocument=json.dumps(
-                {
-                    "Version": "2012-10-17",
-                    "Statement": [
-                        {
-                            "Effect": "Allow",
-                            "Principal": {"Service": "lambda.amazonaws.com"},
-                            "Action": "sts:AssumeRole",
-                        }
-                    ],
-                }
-            ),
-            Description="IAM role for Lambda execution.",
+    @patch(

Review Comment:
   Mocks are still a bit of black magic for me, but I think the same thing 
would be achieved in much shorter code using
   
   ```suggestion
       @patch.object(AwsLambdaInvokeFunctionOperator, "hook", 
new_callable=mock.PropertyMock)
   ```
   
   But I'm still wrong on occasion about when to use `@patch.object` vs `@patch`



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