diff --git a/samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.details b/samples/unit-tests/axis/bar-reversed-yaxis/demo.details
similarity index 100%
rename from samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.details
rename to samples/unit-tests/axis/bar-reversed-yaxis/demo.details
diff --git a/samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.html b/samples/unit-tests/axis/bar-reversed-yaxis/demo.html
similarity index 100%
rename from samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.html
rename to samples/unit-tests/axis/bar-reversed-yaxis/demo.html
diff --git a/samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.js b/samples/unit-tests/axis/bar-reversed-yaxis/demo.js
similarity index 98%
rename from samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.js
rename to samples/unit-tests/axis/bar-reversed-yaxis/demo.js
index 797578d6356..f0430deea64 100644
--- a/samples/issues/highcharts-4.1.8/4504-bar-reversed-yaxis/demo.js
+++ b/samples/unit-tests/axis/bar-reversed-yaxis/demo.js
@@ -1,4 +1,4 @@
-QUnit.test('Reversed yAxis for bar charts cause detached columns from axis.', function (assert) {
+QUnit.test('Reversed yAxis for bar charts cause detached columns from axis (#4504)', function (assert) {
     var options = {
             chart: {
                 type: "column"