Alter fake integration (change in pytest-httpx)

(cherry picked from commit dc249a7)
(cherry picked from commit d320f6ee64e8374aef94cb9f1336e1d82b2b7ee4)

integrations/fake-integration/tests/conftest.py

@@ -1,5 +1,15 @@
-# ruff: noqa
+from typing import Any
+
 from port_ocean.tests.helpers.fixtures import (
     get_mocked_ocean_app,
     get_mock_ocean_resource_configs,
 )
+import pytest
+
+
+def pytest_collection_modifyitems(session: Any, config: Any, items: Any) -> None:
+    for item in items:
+        item.add_marker(pytest.mark.httpx_mock(can_send_already_matched_responses=True))
+
+
+# ruff: noqa