Review Request: Cleaned up fault tolerant tests and fixed a disabled test.

[Benjamin Hindman]

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https://reviews.apache.org/r/10456/
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Review request for mesos and Vinod Kone.


Description
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See summary.


Diffs
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  src/tests/fault_tolerance_tests.cpp bfb30344ca02cd42c442a373d44d6a3fa287c1e3 

Diff: https://reviews.apache.org/r/10456/diff/


Testing
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make check


Thanks,

Benjamin Hindman