Test adapter. Captures each outbound call by sending {:slackbox, action, args}
to the current process and to every pid in $callers (so captures survive
Task.async and async: true tests). Pair with Slackbox.TestAssertions.
Test adapter. Captures each outbound call by sending {:slackbox, action, args}
to the current process and to every pid in $callers (so captures survive
Task.async and async: true tests). Pair with Slackbox.TestAssertions.