MessageRouter and JobQueue tests need to be run after the Worker tests.

both of these tests need to be run after UnitTestWorker, because UnitTestWorker
dummy server can't currently handle binding to the non default tcp/ip port,
and on some OS if these tests are run first, the OS won't release the port
for a couple of seconds after the test has finished.

Change-Id: Ida68460ea1054c245a4e724f74ffc1b5cf1a2207