public void ShouldInsertGroups()
{
var usersBL = new UsersBL();
var student = usersBL.GetStudent("Adrian2");
student.SubscribedGroups = new List<string>
{
"cc0df0c3-6fac-4f65-98ac-fee10dcf38b7",
"21c8d489-e9be-4127-864f-80e387ab3592"
};
usersBL.SaveStudent(student);
}