Traceback (most recent call last):
  File "/Users/magicliang/Desktop/Programming/git/hexo-blog/examples/system-design/labs/35/session-dispatch/test_transitions.py", line 24, in <module>
    assert all(x['changed_rows']==x['expected_rows'] for x in results), 'implementation violates documented transition table'
           ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: implementation violates documented transition table
