Code review comment for lp:~vanvugt/mir/fix-1576690

This time during the application not responding test:

07:07:31 11: [2016-05-25 07:07:31.258532] mirserver: Selected input driver: mir:stub-input (version: 0.23.0)
07:07:31 11: [2016-05-25 07:07:31.844520] mirserver: Mir version 0.23.0
09:37:32 E: Caught signal ���Terminated���: terminating immediately
09:37:32 make[1]: *** [override_dh_auto_test] Terminated
09:37:32 make[2]: *** [test] Terminated
09:37:32 make: *** [build] Terminated
09:37:32 debian/rules:19: recipe for target 'override_dh_auto_test' failed
09:37:32 Makefile:86: recipe for target 'test' failed
09:37:32 debian/rules:13: recipe for target 'build' failed
09:37:32 Build killed with signal TERM after 150 minutes of inactivity