diff --git a/tests/common_test.py b/tests/common_test.py
index d2724ac..74224e6 100644
--- a/tests/common_test.py
+++ b/tests/common_test.py
@@ -19,5 +19,5 @@ def test_read_resource_file(monkeypatch):
         read_resource_file(resource_path)
 
     m.assert_called_once_with(
-        importlib.resources.files("swagger_spec_validator")
+        importlib.resources.files("swagger_spec_validator") / resource_path
     )