Review Request 22856: Removed the wait in StartMaster() for the master to get elected before returning because it's no longer necessary.

[Jiang Yan Xu]

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https://reviews.apache.org/r/22856/
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Review request for mesos, Ben Mahler and Vinod Kone.


Repository: mesos-git


Description
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- Cluster::Masters::start now waits for the master to be recovered, which 
happens only after it's elected.


Diffs
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  src/tests/cluster.hpp 1c96ee7d27d1f2f277bc4617f9e17092460d7191 
  src/tests/mesos.hpp 0b9b2f9bfc0def5d65fb571816d62d52f3d0cda4 
  src/tests/mesos.cpp 10374201121e376f3a1de33278dfd0ea92edd7b2 

Diff: https://reviews.apache.org/r/22856/diff/


Testing
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make check.


Thanks,

Jiang Yan Xu