test_validators.py: Fix spelling

Author: jayvdb

tests/integration/validation/test_validators.py

@@ -69,7 +69,7 @@ def test_valid(self, factory, validator_v30, spec_file):
 
 
 @pytest.mark.network
-class TestRemoteOpeAPIv31Validator:
+class TestRemoteOpenAPIv31Validator:
 
     REMOTE_SOURCE_URL = (
         "https://raw.githubusercontent.com/"