Bug-12: Flaky unit tests due to google calendar API timeout

[ThierryRomain]

Description: Unit test sometimes fail because of a timeout while loading Google Calendar

Resolution:

• [x] add longer timeout to unit test for Google Calendar

Reproduce:

run master as commit ac8df5c Run unit tests.

Actual Behavior: Tests are flaky and sometime fail.

Found in commit: aa0aaad8d07f568345bc58c0a792a08b49f10f22

Resolved in commit: 0af1811