public async Task SaveQuote_When_InValid_Quote_Returns_BadRequestResponse(
            [Frozen] Mock <IQuoteManager> _quoteManager,
            QuoteVM request,
            [Greedy] QuoteController sut)
        {
            // Arrange
            _quoteManager.Setup(x => x.SaveQuoteAsync(It.IsAny <QuoteVM>())).ReturnsAsync((QuoteVM)null);

            // Act
            var result = await sut.SaveQuoteAsync(request);

            var response = result as BadRequestObjectResult;

            // Assert
            Assert.NotNull(result);
            Assert.Equal(400, response.StatusCode);
        }