    @Test
    public void globalAverageIsForLatestVersion() {

        Optional<Double> globalAverageForLine = fileFeedbackWrapper.getGlobalAverageForLine(1);

        Assert.assertTrue(globalAverageForLine.isPresent());
        Assert.assertEquals(100.0, globalAverageForLine.get(), 0.0);

        globalAverageForLine = fileFeedbackWrapper.getGlobalAverageForLine(4);

        Assert.assertTrue(globalAverageForLine.isPresent());
        Assert.assertEquals(300.0, globalAverageForLine.get(), 0.0);
    }