public void Controller_Contas_GetById_DevePassar()
{
// Arrange
var conta = ContaObjectMother.GetContaValida();
_contaServiceMock.Setup(c => c.GetById(conta.Id)).Returns(conta);
// Action
IHttpActionResult callback = _contasController.GetById(conta.Id);
// Assert
var httpResponse = callback.Should().BeOfType <OkNegotiatedContentResult <ContaViewModel> >().Subject;
httpResponse.Content.Should().NotBeNull();
httpResponse.Content.Id.Should().Be(conta.Id);
_contaServiceMock.Verify(s => s.GetById(conta.Id), Times.Once);
}