mark tests for `qubuild test --perf` as slow
mark tests for `qubuild test --perf` as slow

Change-Id: I0b765bbc2ede89dd1252148d84a08ba72c476345

aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild