ExMachinaPolymorphicEmbed (ex_machina_polymorphic_embed v0.1.1)
In your factory replace use ExMachina.Ecto, repo: YourApp.Repo
with ExMachinaPolymorphicEmbed.Ecto, repo: YourApp.Repo
In your factory replace use ExMachina.Ecto, repo: YourApp.Repo
with ExMachinaPolymorphicEmbed.Ecto, repo: YourApp.Repo