Bug 1589074 - Fix download xpcshell-test failures after changing default referrer policy to strict-origin-when-cross-origin r=ckerschb

Differential Revision: https://phabricator.services.mozilla.com/D102909

toolkit/components/downloads/test/unit/common_test_Download.js

@@ -423,7 +423,7 @@ add_task(async function test_windows_zoneInformation() {
       },
       expectedZoneId:
         "[ZoneTransfer]\r\nZoneId=3\r\n" +
-        "ReferrerUrl=http://example.com/abc\r\n" +
+        "ReferrerUrl=http://example.com/\r\n" +
         "HostUrl=" +
         httpSourceUrl +
         "\r\n",