public void ProfileUrlValid()
{
UrlGenerator urlGenerator = new UrlGenerator();
string username = "******";
string access_token = "access_token=1234";
string resultProfileUrl = "https://graph.facebook.com/dushyant?access_token=1234&fields=id,name,relationship_status,friends.fields(relationship_status,gender,name)";
Assert.AreEqual(urlGenerator.ConstructProfileUrl(username, access_token), resultProfileUrl);
}