Code review comment for lp:~nik90/ubuntu-clock-app/more-stopwatch-tests

Trying this on my device now.. Did you run it? I got the error below once during a run. Going to keep running to see if it's the only occasional error:

Traceback (most recent call last):
File "/home/phablet/autopilot/ubuntu_clock_app/tests/test_timer.py", line 119, in test_delete_preset
self.test_add_preset()
File "/home/phablet/autopilot/ubuntu_clock_app/tests/test_timer.py", line 91, in test_add_preset
Eventually(Equals(num_of_presets_old + 1)))
File "/usr/lib/python2.7/dist-packages/testtools/testcase.py", line 412, in assertThat
raise MismatchError(matchee, matcher, mismatch, verbose)
MismatchError: After 10.0 seconds test failed: 4 != 3