Fix db bug in test_getting_events
Fix db bug in test_getting_events

TestWebsiteUpdatesCommand.test_getting_events assumes that records returned by Event.objects.all() are sorted by id. This is true on SQLite3, but not on PostgreSQL, which resulted this test failing when using PostgreSQL.

swcarpentry/amy,swcarpentry/amy,pbanaszkiewicz/amy,pbanaszkiewicz/amy,vahtras/amy,pbanaszkiewicz/amy,swcarpentry/amy,vahtras/amy,vahtras/amy