@Test(expected = CredentialManagerException.class)
 public void getUnknownKey() throws CredentialManagerException {
   @SuppressWarnings("unused")
   SecretKey storedInspectorSecretKey =
       credMng.getInspectorSecretKey(URI.create(UUID.randomUUID().toString()));
   // We should not get here.
   assertFalse(true);
 }
  @Test
  public void storeKey() throws Exception {
    SecretKey inspectorSecretKey = new SecretKey();
    CryptoParams cryptoParams = new CryptoParams();
    cryptoParams.getContent().add("TestString1");
    inspectorSecretKey.setCryptoParams(cryptoParams);
    credMng.storeInspectorSecretKey(EXPECTED_UUID, inspectorSecretKey);

    SecretKey storedInspectorSecretKey = credMng.getInspectorSecretKey(EXPECTED_UUID);
    assertEquals(
        inspectorSecretKey.getCryptoParams().getContent().get(0),
        storedInspectorSecretKey.getCryptoParams().getContent().get(0));
  }