MakeRequestClient client = makeNonSocialClient("owner", "owner", GADGET_URL_BODY);
HttpResponse response = client.sendGet(FakeOAuthServiceProvider.RESOURCE_URL);
assertEquals("", response.getResponseAsString());
client.approveToken("user_data=hello-oauth");
response = client.sendGet(FakeOAuthServiceProvider.RESOURCE_URL);
assertEquals("", response.getResponseAsString());
assertEquals(HttpResponse.SC_FORBIDDEN, response.getHttpStatusCode());
assertEquals("parameter_absent", response.getMetadata().get("oauthError"));
assertNull(response.getMetadata().get("oauthApprovalUrl"));
}