public async void EmpresaService_Buscar_DeveExecutarComSucesso()
        {
            // Arrange
            Expression <Func <ERP.Business.Models.Empresa, bool> > predicate = (x) => x.CnpjCpfDi != string.Empty;

            _empresaTestsAutoMockerFixture.Mocker.GetMock <IEmpresaRepository>().Setup(c => c.Buscar(predicate))
            .Returns(Task.FromResult(_empresaTestsAutoMockerFixture.ObterVariados()));

            // Act
            var registro = await _empresaService.Buscar(predicate);

            // Assert
            _empresaTestsAutoMockerFixture.Mocker.GetMock <IEmpresaRepository>().Verify(r => r.Buscar(predicate), Times.Once);
            Assert.True(registro != null);
        }