@Test
  public void testObfuscateEMail() throws IOException {
    RuntimeEnvironment env = RuntimeEnvironment.getInstance();

    // By default, don't obfuscate.
    assertObfuscated(false, env);

    env.setObfuscatingEMailAddresses(true);
    assertObfuscated(true, env);

    env.setObfuscatingEMailAddresses(false);
    assertObfuscated(false, env);
  }