Steps:

1. Start a test run
2. Open Error pane (also applicable for Passed, Failed, Not Run, Filtered Out)
3. Right click the right table header 'Execution Status'. In context menu select 'Runtime -> Execution End Time' (also applicable for 'Execution Start Time').
4. Click on the 'Execution End Time' table header to sort the table.

Observed: Alphabetical sort
Fri Nov 11 13:21:02 MSK 2016
Fri Nov 11 13:21:52 MSK 2016
Fri Nov 11 13:22:52 MSK 2016
Fri Nov 11 13:23:02 MSK 2016
Thu Nov 10 19:29:56 MSK 2016
Thu Nov 10 20:25:57 MSK 2016
Thu Nov 10 20:26:57 MSK 2016

Expected: the tests would be sorted by Time
Fri Nov 10 <tests>
Thu Nov 11 <tests>