[experiments][tests] Add tests for dated databases

This ensure that experiments can't be started if using
a database that has accessibility dates and the user is
not within the range of the dates.
1 job for 541_add_usage_time_to_database in 14 minutes and 1 second (queued for 7 seconds)
Status Job ID Name Coverage
  Build
passed #187681
docker-build
build_linux_36

00:14:01

64.0%