FakeJobQueue asserts jobs that's deadlettered are acknowledged

[Jacob]

Assuming a job that has deadLettered should not also be acknowledged.

The FakeJobQueue shouldn't check if the job has deadLettered.

misk/misk-jobqueue-testing/src/main/kotlin/misk/jobqueue/FakeJobQueue.kt

Lines 186 to 188 in 6edb00b

 if (assertAcknowledged) { 
   check(job.acknowledged) { "Expected $job to be acknowledged after handling" } 
 }