diff --git a/samples/react/column/stacked-column_outline.html b/samples/react/column/stacked-column-outline.html
similarity index 98%
rename from samples/react/column/stacked-column_outline.html
rename to samples/react/column/stacked-column-outline.html
index 4a1e689c3..03270a93b 100644
--- a/samples/react/column/stacked-column_outline.html
+++ b/samples/react/column/stacked-column-outline.html
@@ -138,6 +138,10 @@
                   '01/05/2011 GMT', '01/06/2011 GMT'
                 ],
               },
+              yaxis: {
+                reversed: false,
+                stepSize: 10
+              },
               legend: {
                 position: 'right',
                 offsetY: 40
diff --git a/samples/source/column/stacked-column_outline.xml b/samples/source/column/stacked-column-outline.xml
similarity index 96%
rename from samples/source/column/stacked-column_outline.xml
rename to samples/source/column/stacked-column-outline.xml
index ee27c19f6..29072f199 100644
--- a/samples/source/column/stacked-column_outline.xml
+++ b/samples/source/column/stacked-column-outline.xml
@@ -55,6 +55,10 @@ xaxis: {
     '01/05/2011 GMT', '01/06/2011 GMT'
   ],
 },
+yaxis: {
+  reversed: false,
+  stepSize: 10
+},
 legend: {
   position: 'right',
   offsetY: 40
diff --git a/samples/vanilla-js/column/stacked-column_outline.html b/samples/vanilla-js/column/stacked-column-outline.html
similarity index 97%
rename from samples/vanilla-js/column/stacked-column_outline.html
rename to samples/vanilla-js/column/stacked-column-outline.html
index 7251d8b33..65c07dbf6 100644
--- a/samples/vanilla-js/column/stacked-column_outline.html
+++ b/samples/vanilla-js/column/stacked-column-outline.html
@@ -121,6 +121,10 @@
             '01/05/2011 GMT', '01/06/2011 GMT'
           ],
         },
+        yaxis: {
+          reversed: false,
+          stepSize: 10
+        },
         legend: {
           position: 'right',
           offsetY: 40
diff --git a/samples/vue/column/stacked-column_outline.html b/samples/vue/column/stacked-column-outline.html
similarity index 97%
rename from samples/vue/column/stacked-column_outline.html
rename to samples/vue/column/stacked-column-outline.html
index 1429860dd..90aff8ecd 100644
--- a/samples/vue/column/stacked-column_outline.html
+++ b/samples/vue/column/stacked-column-outline.html
@@ -141,6 +141,10 @@
                 '01/05/2011 GMT', '01/06/2011 GMT'
               ],
             },
+            yaxis: {
+              reversed: false,
+              stepSize: 10
+            },
             legend: {
               position: 'right',
               offsetY: 40
diff --git a/tests/e2e/snapshots/column/stacked-column_outline.png b/tests/e2e/snapshots/column/stacked-column-outline.png
similarity index 100%
rename from tests/e2e/snapshots/column/stacked-column_outline.png
rename to tests/e2e/snapshots/column/stacked-column-outline.png