public void Conta_Controller_PegarPorId_DeveFuncionar()
{
var id = 1;
_conta.Setup(p => p.Id).Returns(id);
_contaServicoMock.Setup(c => c.PegarPorId(id)).Returns(_conta.Object);
IHttpActionResult callback = _contasController.PegarPorId(id);
var httpResponse = callback.Should().BeOfType <OkNegotiatedContentResult <Conta> >().Subject;
httpResponse.Content.Should().NotBeNull();
httpResponse.Content.Id.Should().Be(id);
_contaServicoMock.Verify(s => s.PegarPorId(id), Times.Once);
_conta.Verify(p => p.Id, Times.Once);
}