Review Request 59314: Fixed the fd type in tests for consistency.

[Alexander Rukletsov]

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https://reviews.apache.org/r/59314/
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Review request for mesos, Gastón Kleiman and Vinod Kone.


Repository: mesos


Description
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See summary.


Diffs
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  src/tests/containerizer/io_switchboard_tests.cpp 
b19961ee91af3c174d4377c2514465d6c99cf331 
  src/tests/containerizer/nested_mesos_containerizer_tests.cpp 
f8c1511d1a85c0e3bf985404da2abff9039e3e27 


Diff: https://reviews.apache.org/r/59314/diff/1/


Testing
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`make check` on various Linux distros


Thanks,

Alexander Rukletsov