@Test
    public void testCipher_Unwrap_wrapMode_Failure() throws Exception {
        checkCipher_Unwrap_invalidMode_Failure(Cipher.WRAP_MODE);
    }
Helper for testing that Cipher.wrap() throws IllegalStateException when
initialized in modes other than WRAP.
common/src/test/java/org/conscrypt/javax/crypto/CipherTest.java