test: Update unit tests

Author: Constantinos Symeonides

tests/test_parser/test_openapi.py

@@ -239,7 +239,7 @@ def test_add_body_bad_data(self, mocker):
         )
 
     def test_add_body_happy(self, mocker):
-        from openapi_python_client.parser.openapi import Endpoint, Reference, Schemas
+        from openapi_python_client.parser.openapi import Endpoint, Reference
         from openapi_python_client.parser.properties import Property
 
         request_body = mocker.MagicMock()
@@ -389,12 +389,12 @@ def test__add_responses(self, mocker):
         response_1 = Response(
             status_code=200,
             source="source",
-            prop=DateTimeProperty(name="datetime", required=True, nullable=False, default=None),
+            prop=DateTimeProperty(name="datetime", required=True, nullable=False, default=None, schema=oai.Schema()),
         )
         response_2 = Response(
             status_code=404,
             source="source",
-            prop=DateProperty(name="date", required=True, nullable=False, default=None),
+            prop=DateProperty(name="date", required=True, nullable=False, default=None, schema=oai.Schema()),
         )
         response_from_data = mocker.patch(
             f"{MODULE_NAME}.response_from_data", side_effect=[(response_1, schemas_1), (response_2, schemas_2)]