Enable timer for nosetests

[pgombar]

Description

Enable nose-timer, a plugin for nosetests that outputs the execution time of each test. This can help us identify and optimize slow running tests. The plugin is compatible with Python 2.7+.

Check out the Travis run on this PR for an example output.

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This change is 

[codecov]

Codecov Report

Merging #1771 into develop will decrease coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1771      +/-   ##
===========================================
- Coverage    68.65%   68.64%   -0.01%     
===========================================
  Files           82       82              
  Lines        11732    11732              
  Branches      1645     1645              
===========================================
- Hits          8055     8054       -1     
  Misses        3326     3326              
- Partials       351      352       +1

Impacted Files	Coverage Δ
azurelinuxagent/common/protocol/wire.py	77.68% <0%> (-0.1%)	⬇️

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[narrieta]

thanks!
do you know how to enable this on pycharm?

[pgombar]

thanks!
do you know how to enable this on pycharm?

1. install the package nose-timer. in pycharm, go to Preferences > Project > Project Interpreter and search for it there.
2. set the command-line argument --with-timer in the Run/Debug Configurations menu like so:
   

[vrdmr]

@narrieta - We actually don't need a specific time by nose as pycharm already shows the time used by each test.