Returns a specification to start this module under a supervisor.

See Supervisor.

List of enqueued jobs.

This only works if the mode is set to :fake

Set the mode for current test

• :redis - jobs get enqueued and processed via redis.
• :fake - jobs get enqueued in a local queue
• :inline - jobs get executed in the same process

Start Mock server

• mode - The default mode that's used for all tests. See set_mode/1 for details.