public void TestMethod1()
{
var mockContext = new Mock <IContext>();
mockContext.Setup(m => m.Clientes).Returns(new FakeSET <Cliente>());
var service = new RepoCliente(mockContext.Object);
service.CadastrarCliente(new Cliente()
{
Nome = "Codorna", Cpf = "089.358.804-00", DadosCartao = "1",
Endereco = "rua dez", ClienteId = 50
});
mockContext.Verify(m => m.SaveChanges(), Times.Once());
}