@Test
public void clearingLowPrioDoesntAffectHighPrioMappings() {
mc.setHighPrio(true);
mc.put("k", "v");
mc.clearLowPrio();
assertEquals(mc.get("k"), "v");
}
@Test
public void clearingLowPrioDeletesLowPrioMappings() {
mc.setHighPrio(false);
mc.put("k", "v");
mc.clearLowPrio();
assertEquals(mc.get("k"), null);
}