diff --git a/tests/test_schemas.py b/tests/test_schemas.py
index 3ca3deecc66f548938dd12729c75ca0b5e03a705..2f9d46519be92bdd02cc108e4b7ae80c7f071603 100644
--- a/tests/test_schemas.py
+++ b/tests/test_schemas.py
@@ -28,7 +28,7 @@ class TestSpecs(unittest.TestCase):
         Test specs (swagger.json generated from generate_schema_config.py)
         """
         schema, spec_url = read_from_filename("tests/fixtures/swagger.json")
-        self.assertIsNotNone(openapi_v30_spec_validator.validate(schema))
+        self.assertIsNone(openapi_v30_spec_validator.validate(schema))
 
 
 class TestAllMessageExamples(unittest.TestCase):