Remove redundant use of IO executor.

5 jobs for 1571-connection-manager-pending-contacts in 7 minutes and 49 seconds (queued for 5 minutes and 34 seconds)
Status Job ID Name Coverage
  Test
passed #3557
test

00:07:49

passed #3556
test

00:07:52

failed #3555
test

00:06:09

passed #3554
test

00:07:55

failed #3553
test

00:06:05