The test ends up with checking that the redact endpoint has been hit
once. It's actually the send queue doing the redaction as a dependent
send request, and it doesn't provide any notification mechanism in this
case, so we can't really know when it's done doing it.
One solution would be to not check the number of calls to the redact/
endpoint, but that means checking for fewer things. Instead, I made it
so that when hit, the endpoint will signal it to the main task using a
oneshot channel; then the main task waits with a long timeout for the
receiving end to get the notification it's been sent, which should be
sufficient.
Benjamin Bouvier
e00d57fee2