Bug 1924861 - Only show the first history entry if it has user interaction. r=dom-core,omc-reviewers,sessionstore-reviewers,dao,peterv,tabbrowser-reviewers,mviar,sfoster,webdriver-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D221390

browser/components/search/test/browser/telemetry/browser_search_telemetry_abandonment.js

@@ -157,6 +157,10 @@ add_task(async function test_navigation_via_back_button() {
       false,
       serpUrl
     );
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document.notifyUserGestureActivation();
+    });
+
     BrowserTestUtils.startLoadingURIString(browser, serpUrl);
     await pageLoadPromise;
     info("Serp is now loaded.");