public void SubmitTest()
{
Assistants a = new Assistants { ID = "test", name = "test", password = "******" };
AssistantHandler.DB.Assistants.InsertOnSubmit(a);
AssistantHandler ah = new AssistantHandler(a);
ah.Submit();
Assert.IsTrue(AssistantHandler.DB.Assistants.First(assistant => assistant.ID == "test").Equals(a));
AssistantHandler.DB.Assistants.DeleteOnSubmit(a);
AssistantHandler.DB.SubmitChanges();
}
