LockManager lm = TestingUtil.extractLockManager(cache);
LockAssert.assertNoLocks(
lm, TestingUtil.extractComponentRegistry(cache).getComponent(InvocationContextContainer.class)
);
PerElementLockContainer lc = (PerElementLockContainer) TestingUtil.extractField(lm, "lockContainer");
assert lc.size() == 0;
}