Tim Burke 6f813f6bfa Fix __exit__ calls
The context manager protocol requires that __exit__ be called with three
args: type, value, and traceback. In some places, we didn't include any
args at all, leading to test failures during clean-up.

Change-Id: I2998830e6eac685b1f753937d12cf5346a4eb081
2021-01-13 12:42:23 -08:00
..
2014-01-31 15:34:37 +00:00
2021-01-13 12:42:23 -08:00
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