Test for associations without created_at values
Test for associations without created_at values

This seems to be a real-life scenario.
Also fixed deprecations when we were passing episode instead of episode_id

srinidhibs/hackweek,hennevogel/hackweek,srinidhibs/hackweek,SUSE/hackweek,srinidhibs/hackweek,kirushik/hackweek,hennevogel/hackweek,kirushik/hackweek,hennevogel/hackweek,SUSE/hackweek,kirushik/hackweek,kirushik/hackweek,SUSE/hackweek,srinidhibs/hackweek