### Question:
TableStoreUtils { static ByteString getLKey(byte[] storeKey, ByteString rKey) { boolean hasRKey = hasRKey(rKey); int lKeyOffset; if (hasRKey) { lKeyOffset = rKey.size() + 2; } else { lKeyOffset = 1; } return UnsafeByteOperations.unsafeWrap(storeKey, lKeyOffset, storeKey.length - lKeyOffset); }    }### Answer:
@Test public void testGetLKey() { assertEquals( ByteString.copyFrom(lKey), getLKey(storeKeyWithoutRKey, null)); assertEquals( ByteString.copyFrom(lKey), getLKey(storeKeyWithRKey, ByteString.copyFrom(rKey))); }