@Test(expected = OAuthException.class)
 public void testCase2() throws OAuthException, IOException, JSONException {
   FacebookAccessTokenClientResource tokenResource =
       new FacebookAccessTokenClientResource(new Reference(baseURI, "/oauth/token2"));
   tokenResource.setClientCredentials(STUB_CLIENT_ID, STUB_CLIENT_SECRET);
   tokenResource.requestToken(new OAuthParameters());
   fail("OAuthException is expected.");
 }
 @Test
 public void testCase1() throws OAuthException, IOException, JSONException {
   FacebookAccessTokenClientResource tokenResource =
       new FacebookAccessTokenClientResource(new Reference(baseURI, "/oauth/token1"));
   tokenResource.setClientCredentials(STUB_CLIENT_ID, STUB_CLIENT_SECRET);
   Token token = tokenResource.requestToken(new OAuthParameters());
   assertThat(token.getAccessToken(), is("foo"));
   assertThat(token.getExpirePeriod(), is(3600));
 }