Return empty list for mock_get_verified_links yo not brake existing metadata tests

Author: Vlad0n20

conftest.py

@@ -361,5 +361,5 @@ def helpful_thing(self):
 @pytest.fixture(autouse=True)
 def mock_get_verified_links():
     with mock.patch('osf.models.node.AbstractNode.get_verified_links') as get_links_mock:
-        get_links_mock.return_value = [{'target_url': '', 'resource_type': 'Book'}]
+        get_links_mock.return_value = []
         yield get_links_mock