Gábor Antal 300d388825 Use more specific asserts in test/probe tests
I changed asserts with more specific assert methods.

e.g.: from assertTrue(sth == None) to assertIsNone(*) or
assertTrue(isinstance(inst, type)) to assertIsInstace(inst, type) or
assertTrue(not sth) to assertFalse(sth).

The code gets more readable, and a better description will be shown on fail.

Change-Id: I3768faa568e3964e726ecc48ac8cb133cb088284
2016-11-02 18:13:22 +00:00
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