Change Details

``` make check test_runner.py abc-invalid-chains # with only abc-invalid-chains (not the fix) applied on master: make check test_runner.py abc-invalid-chains # should fail as expected ```

``` make check test_runner.py abc-invalid-chains ```

``` make check test_runner.py abc-invalid-chains # with only abc-invalid-chains (not the fix) applied on master: make check test_runner.py abc-invalid-chains # should fail as expected ```