public void PopulatedGetEntries(string name, string number)
{
Assert.IsTrue(phonebook.AddEntry(number, name));
CollectionAssert.AreNotEqual(phonebook.GetEntries(), new Dictionary <string, string>());
KeyValuePair <string, string> entry = new KeyValuePair <string, string>(number, name);
CollectionAssert.Contains(phonebook.GetEntries(), entry);
}