/** Test 20 */
public void testReadWriteReleaseCheckRead() {
assertTrue(lockManager.readLock(tx2, obj, testIsoLevel));
assertTrue(lockManager.writeLock(tx2, obj, testIsoLevel));
assertTrue(lockManager.hasRead(tx2, obj));
assertTrue(lockManager.releaseLock(tx2, obj));
assertFalse(lockManager.hasRead(tx2, obj));
}
