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diff --git a/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/replacement-enabled.html b/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/replacement-enabled.html
new file mode 100644
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--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/replacement-enabled.html
@@ -0,0 +1,69 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Navigating to a fragment should not clear forward history</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#scroll-to-fragid">
+<link rel="help" href="https://github.com/whatwg/html/issues/2796">
+<link rel="help" href="https://github.com/whatwg/html/pull/2869">
+<link rel="author" href="mailto:d@domenic.me" title="Domenic Denicola">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="navigate-helpers.js"></script>
+
+<body>
+
+<script>
+"use strict";
+let resolve, iframe;
+promise_test(() => {
+  iframe = document.createElement("iframe");
+  iframe.src = "/common/blank.html";
+  iframe.addEventListener("load", runTest);
+  document.body.appendChild(iframe);
+
+  return new Promise(r => resolve = r);
+});
+
+function runTest() {
+  iframe.removeEventListener("load", runTest);
+  const frameWindow = iframe.contentWindow;
+
+  resolve((async () => {
+    await navigateAndWaitForChange(frameWindow, w => w.location.href = "/common/blank.html#apple");
+    await navigateAndWaitForChange(frameWindow, w => w.location.href = "/common/blank.html#banana");
+    await navigateAndWaitForChange(frameWindow, w => w.location.href = "/common/blank.html#cat");
+
+    assert_equals(frameWindow.location.hash, "#cat");
+
+    // Might not be 4 (= 3 for iframe + 1 initial) due to cross-browser differences or if people are
+    // running this test in a window that has previously been places. The important thing for this
+    // test is the delta from this value.
+    const afterThreeNavigations = frameWindow.history.length;
+
+    await navigateAndWaitForChange(frameWindow, w => w.history.back());
+
+    assert_equals(frameWindow.location.hash, "#banana");
+    assert_equals(frameWindow.history.length, afterThreeNavigations,
+      "back() must not change the history length");
+
+    await navigateAndWaitForChange(frameWindow,
+      w => w.location.replace("/common/blank.html#zebra"));
+
+    assert_equals(frameWindow.location.hash, "#zebra");
+    assert_equals(frameWindow.history.length, afterThreeNavigations,
+      "replace() must not change the history length");
+
+    // As of the time of this writing (2017-08-14), Firefox is not firing hashchange on forward, so
+    // we automatically assume navigation succeeded after 100 ms. A sibling test will test this
+    // particular Firefox bug.
+    await navigateAndWaitForChange(frameWindow, w => w.history.forward(),
+      { assumeSuccessAfter: 500 });
+
+    assert_equals(frameWindow.location.hash, "#cat");
+    assert_equals(frameWindow.history.length, afterThreeNavigations,
+      "forward() must not change the history length");
+
+  })());
+}
+
+</script>