Fix TimelineSelectionDelegateControllerTest
without LC_ALL="en_US.utf-8" the test fails for the date formatting, as it is not defined and we end up with.
FAIL! : TimelineSectionDelegateControllerTest::testController()
Compared values are not the same
Actual (controller.title()) : "Monday, 8 Mar 2021"
Expected (QLatin1String("Monday, 3/8/21")): "Monday, 3/8/21"
Edited by Sandro Knauß