Test `test_generate_timeslots_weekends` fails on weekends

The test_generate_timeslots_weekends test located in the test file program/tests/test_services.py fails when it is executed on saturdays or sundays.

assigned to @eigenwijsje

added P2 bug labels

changed milestone to %1.0-alpha6 — Wondrous Whale

added Doing label

closed

removed Doing label