@Test
  public void testIsSupportedOnNewerAndroidVersions() throws Exception {
    Assume.assumeTrue(TestUtil.isAndroid());
    Integer androidApiLevel = Util.getAndroidApiLevel();
    assertThat(InsecureNonceChaCha20Poly1305Jce.isSupported()).isEqualTo(androidApiLevel >= 29);
  }
This test simply checks that multiple ciphertexts of the same message with a different nonce
are distinct.
java_src/src/test/java/com/google/crypto/tink/aead/internal/InsecureNonceChaCha20Poly1305JceTest.java