public async Task PutFieldReturnsBadRequestAndCorrectContentType() { // Given UpdateFieldViewModel model = ViewModelFactory.CreateInvalidUpdateModel(); // When HttpResponseMessage response = await Client.PutAsJsonAsync(EndPointFactory.UpdateEndpoint(), model); // Then response.StatusCode.Should().Be(HttpStatusCode.BadRequest); response.Content.Headers.ContentType.ToString().Should().Be("application/problem+json; charset=utf-8"); }