fix agent error status by increasing the agent command timeout

[TitusLabs]

The timeout is set to the same value as on the server side, so there is no time left to receive the no content response.

Solution: add another 10s on the agent side to be able to receive the response.

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This change is 

[codecov[bot]]

Codecov Report

Merging #1618 (3396088) into master (5aaacdf) will decrease coverage by 0.04%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1618      +/-   ##
============================================
- Coverage     78.38%   78.34%   -0.04%     
+ Complexity     2497     2496       -1     
============================================
  Files           256      256              
  Lines          8177     8177              
  Branches        977      977              
============================================
- Hits           6409     6406       -3     
- Misses         1350     1352       +2     
- Partials        418      419       +1