public async void Cotacao_QuandoOcorrerUmaExcecao_DeveRetornarBadRequest(string exceptionMessage)
        {
            A.CallTo(() => _mediator.Send(A <PostCotacaoCommand> ._, default)).Throws(new ArgumentException(exceptionMessage));

            var result = await _controller.Create(_cotacao);

            (result.Result as StatusCodeResult)?.StatusCode.Should().Be((int)HttpStatusCode.BadRequest);
            (result.Result as BadRequestObjectResult)?.Value.Should().Be(exceptionMessage);
        }