Shuquan Huang 8f46701afb Replace assertEqual(None, *) with assertIsNone in tests
Replace assertEqual(None, *) with assertIsNone in tests to have
more clear messages in case of failure.

Change-Id: I33b61064ec957a79bec4c6deef7ce5e4c8e8d141
Closes-bug: #1280522
2015-12-16 18:17:51 +08:00
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