diff --git a/samples/source/line/realtime.xml b/samples/source/line/realtime.xml
index 7a5cfdd97..23aa96dd6 100644
--- a/samples/source/line/realtime.xml
+++ b/samples/source/line/realtime.xml
@@ -104,7 +104,9 @@ legend: {
 </chart>
 
 <vanilla-js-script>
-window.setInterval(function () {
+var intervalRuns = 0;
+var interval = window.setInterval(function () {
+  intervalRuns++
   getNewSeries(lastDate, {
     min: 10,
     max: 90
@@ -113,6 +115,10 @@ window.setInterval(function () {
   chart.updateSeries([{
     data: data
   }])
+
+  if (intervalRuns === 2 && window.isATest === true) {
+    clearInterval(interval)
+  }
 }, 1000)
 </vanilla-js-script>
 
diff --git a/samples/vanilla-js/line/realtime.html b/samples/vanilla-js/line/realtime.html
index 24417cf5d..f4715d976 100644
--- a/samples/vanilla-js/line/realtime.html
+++ b/samples/vanilla-js/line/realtime.html
@@ -152,7 +152,9 @@
         chart.render();
       
       
-        window.setInterval(function () {
+        var intervalRuns = 0;
+      var interval = window.setInterval(function () {
+        intervalRuns++
         getNewSeries(lastDate, {
           min: 10,
           max: 90
@@ -161,6 +163,10 @@
         chart.updateSeries([{
           data: data
         }])
+      
+        if (intervalRuns === 2 && window.isATest === true) {
+          clearInterval(interval)
+        }
       }, 1000)
       
     </script>
diff --git a/tests/e2e/samples.js b/tests/e2e/samples.js
index 79c8b746a..ea5715de2 100644
--- a/tests/e2e/samples.js
+++ b/tests/e2e/samples.js
@@ -44,6 +44,8 @@ async function processSample(page, sample, command) {
   page.on('pageerror', (error) => consoleErrors.push(error.message))
 
   await page.evaluateOnNewDocument(() => {
+    window.isATest = true
+
     //Keep track of running timers and intervals in the page
     window.activeTimerCount = 0
     window.activeIntervalCount = 0