public async Task Expect_List_Two_Barbers()
{
var barbersEnvelope = await BarberHelpers.ListBarbers(this);
Assert.Equal(2, barbersEnvelope.Barbers.Count);
}
public async Task Expect_List_Single_Barber()
{
var barbersEnvelope = await BarberHelpers.ListBarbers(this);
Assert.Single(barbersEnvelope.Barbers);
}