public static Credentials loadCredentials(String password, String source)
            throws IOException, CipherException {
        return loadCredentials(password, new File(source));
    }
@Test
    public void testLoadCredentialsFromFile() throws Exception {
        Credentials credentials =
                WalletUtils.loadCredentials(
                        PASSWORD,
                        new File(
                                WalletUtilsTest.class
                                        .getResource(
                                                "/keyfiles/"
                                                        + "UTC--2016-11-03T05-55-06."
                                                        + "340672473Z--ef678007d18427e6022059dbc264f27507cd1ffc")
                                        .getFile()));

        assertEquals(credentials, (CREDENTIALS));
    }