DB Ownership process error running phoenix test in containerized elixir 1.6.1
Try setting onwership_timeout and timeout to a large numbers in your config/tests.exs
config :app_name, User.Repo,adapter: Ecto.Adapters.Postgres, username: ..., password: ..., database: ..., hostname: ..., pool: Ecto.Adapters.SQL.Sandbox, timeout: 120_000, # i think the default is 5000 pool_timeout: 120_000, ownership_timeout: 120_000 #i think the default is 5000