scheduler: Comment the TestSyncWorker test
scheduler: Comment the TestSyncWorker test

It was hard to tell what it was testing before, and thus hard to modify.

LuiseV/quilt,NetSys/quilt,kelda/kelda,NetSys/quilt,LuiseV/quilt,LuiseV/quilt,quilt/quilt,quilt/quilt,NetSys/quilt,LuiseV/quilt,kklin/kelda,NetSys/quilt,kelda/kelda,NetSys/quilt,kklin/quilt,quilt/quilt,kelda/kelda,kklin/kelda,quilt/quilt,kelda/kelda,kklin/kelda,kklin/quilt,kklin/quilt,kklin/kelda,kklin/quilt,LuiseV/quilt