passwordField.setAccessible(true);

        // Verify password exists before wipe
        char[] passwordBefore = (char[]) passwordField.get(authenticator);
        assertNotNull(passwordBefore, "Password should exist before wipe");
        assertArrayEquals(testPassword.toCharArray(), passwordBefore, "Password should match before wipe");

        // Wipe the password
        authenticator.secureWipePassword();