1 files changed, 9 insertions, 0 deletions
diff --git a/testing/web-platform/tests/common/reftest-wait.js b/testing/web-platform/tests/common/reftest-wait.js
new file mode 100644
index 000000000..87816f834
--- /dev/null
+++ b/testing/web-platform/tests/common/reftest-wait.js
@@ -0,0 +1,9 @@
+function takeScreenshot() {
+    document.documentElement.classList.remove("reftest-wait");
+}
+
+function takeScreenshotDelayed(timeout) {
+    setTimeout(function() {
+        takeScreenshot();
+    }, timeout);
+}