Share L10n mocking logic across all tests
Add unit tests for Utils.changeSelectByValue
Add tests for Utils#isAlarmPassToday
Add tests for ClockView#updateDaydate
Add unit tests for ClockView#updateDigitalClock

This commit also fixes a bug in the tested method's implementation,
where the minute boundary was being calculated incorrectly. This bug
would induce the method to asynchronously recurse during the second of
time before the minute rolled over.
Add unit tests for ClockView#updateAnalogClock