Review Request: Added a more comprehensive slave recovery test to confirm that the restarted slave can communicate with scheduler, executor and master.

[Vinod Kone]

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https://reviews.apache.org/r/9992/
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Review request for mesos, Benjamin Hindman and Ben Mahler.


Description
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Also cleaned up some slave recovery tests.


Diffs
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  src/sched/sched.cpp 960f68bfd6398dc08dc00b9b9ca55b9b2492114e 
  src/tests/slave_recovery_tests.cpp 63721c5befe212e1aa559bf5a6e7d34ffce28d4f 

Diff: https://reviews.apache.org/r/9992/diff/


Testing
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make check.


Thanks,

Vinod Kone