[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3920: Refactor TestRegression (test_crypto)

[Tahoe-LAFS]

#3920: Refactor TestRegression (test_crypto)
---------------------+---------------------------
 Reporter:  fenn-cs  |          Owner:
     Type:  defect   |         Status:  new
 Priority:  normal   |      Milestone:  undecided
Component:  unknown  |        Version:  n/a
 Keywords:           |  Launchpad Bug:
---------------------+---------------------------
 Update `TestRegression` tests in `src/allmydata/test/test_crypto.py`  to
 either use `SyncTestCase` or `AsyncTestCase` base test case and not
 `unittest.TestCase`

 This refactor would also involve using new and better assertion methods.

--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3920>
Tahoe-LAFS <https://Tahoe-LAFS.org>
secure decentralized storage