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diff --git a/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html b/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html
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+++ b/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title> CSS Scroll Snap 2 Test: Snap Events with pseudo-element targets.</title>
+    <link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#snap-events">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/resources/testdriver.js"></script>
+    <script src="/resources/testdriver-actions.js"></script>
+    <script src="/resources/testdriver-vendor.js"></script>
+    <script src="/css/css-scroll-snap-2/resources/common.js"></script>
+    <script src="/css/css-scroll-snap-2/resources/user-scroll-common.js"></script>
+    <script src="/dom/events/scrolling/scroll_support.js"></script>
+  </head>
+  <body>
+    <style>
+      .scroller {
+        overflow: scroll;
+        width: 200px;
+        height: 200px;
+        border: solid 1px black;
+        scroll-snap-type: y mandatory;
+        position: absolute;
+        resize: both;
+      }
+      .space {
+        height: 300vh;
+        width: 300vw;
+        position: absolute;
+      }
+      .scroller::before, .scroller::after {
+        scroll-snap-align: start;
+        height: 50px;
+        width: 50px;
+        color: white;
+        display: block;
+      }
+      .scroller::before {
+        content: "before";
+        background-color: blue;
+      }
+      .scroller::after {
+        content: "after";
+        background-color: orange;
+        margin-top: 100px;
+      }
+    </style>
+    <div class="scroller" id="scroller">
+      <div class="space"></div>
+    </div>
+
+    <script>
+      const start_pos = {
+        x: scroller.clientWidth / 2,
+        y: scroller.clientHeight / 2,
+      };
+      const end_pos = { x: scroller.clientWidth / 2, y: 0 };
+      // The top of the ::after pseudo element is the sum of the
+      // ::before pseudo-element's height (50) and the ::after
+      // pseudo-element's margin-top (100).
+      const after_pseudo_element_top = 50 + 100;
+      const test_data = {
+        scroller: scroller,
+        scrolling_function: async () => {
+          await snap_event_touch_scroll_helper(start_pos, end_pos);
+        },
+        expected_snap_targets: { block: scroller, inline: null },
+        expected_scroll_offsets: {
+          x: 0,
+          y: after_pseudo_element_top,
+        }
+      };
+
+      promise_test(async (t) => {
+        await test_snapchanged(t, test_data);
+      }, "snapTarget for snapchanged is the owning element when a snap area " +
+         "belongs to a pseudo-element");
+
+      promise_test(async (t) => {
+        await test_snap_event(t, test_data, "snapchanging");
+      }, "snapTarget for snapchanging is the owning element when a snap area " +
+         "belongs to a pseudo-element");
+    </script>
+  </body>
+</html>