Leo-Fish

The cambridge dictionary is not working. I think they applied some anti crawler techniques. 

Fix non-deterministic tests caused by iteration order

4

Hi! I ran [NonDex Tool](https://github.com/TestingResearchIllinois/NonDex) created by the researchers of UIUC on the test suite and found several tests with nondeterministic behavior. They're passing in normal CI but have dependencies...