public void WhenNoRangeSpecified_ShouldUseRepositorysFirstAndLastCommitDates()
        {
            // arrange
            var commitBuilder = new CommitTestDataBuilder()
                                .With_Author("bob", "*****@*****.**");

            var commit1 = commitBuilder
                          .With_File_Name("file1.txt")
                          .With_File_Content("1", "2")
                          .With_Commit_Timestamp("2018-07-16 01:01:01")
                          .With_Commit_Message("it worked!")
                          .Build();

            var commit2 = commitBuilder
                          .With_File_Name("file2.txt")
                          .With_File_Content("3", "4")
                          .With_Commit_Timestamp("2018-09-13 12:12:12")
                          .With_Commit_Message("it worked again!")
                          .Build();

            var context = new RepositoryTestDataBuilder()
                          .Make_Commit(commit1)
                          .Make_Commit(commit2)
                          .Build();

            var sourceControlAnalysis = new SourceControlAnalysisBuilder()
                                        .WithPath(context.Path)
                                        .WithEntireHistory()
                                        .Build();

            var sut = sourceControlAnalysis.Run_Analysis();
            // act
            var actual = sut.AnalysisContext.ReportRange;

            // assert
            actual.Start.Should().Be(DateTime.Parse("2018-07-16"));
            actual.End.Should().Be(DateTime.Parse("2018-09-13"));
        }