public void ShouldSerializeDiagnosticDataToSpecifiedFormat()
        {
            var serializer = Substitute.For<ISerializer>();
            var testData = new ReportTestData().CreateTwoStoriesEachWithTwoScenariosWithThreeStepsOfFiveMilliseconds();
            var model = new FileReportModel(testData);
            var sut = new DiagnosticsReportBuilder(serializer);

            sut.CreateReport(model);
            
            serializer.Received().Serialize(Arg.Any<object>());
        }
 public void GivenADiagnosticsReportBuilder()
 {
     _sut = new DiagnosticsReportBuilder();
 }