Delete/move the remaining stale tests in TestExpectations.

LayoutTests/http/tests/history/back-with-fragment-change.php

-<?php
-// We intentionally want the page to load slowly (every time, hence no caching), 
-// so that when back-with-fragment-change-target.html calls history.back(), the
-// load is provisional for a while (long enough for the window.location = '#foo'
-// script to run and stop that load).
-sleep(2);
-
-header("Cache-control: no-cache, no-store");
-header("Pragma: no-cache");
-?>
-
-<script>
-if (window.testRunner) {
-    testRunner.dumpBackForwardList();
-    testRunner.dumpAsText();
-    testRunner.waitUntilDone();
-}
-
-onload = function() {
-    if (sessionStorage.didNavigate) {
-        console.log('Should not have ended up back at the test start page');
-        delete sessionStorage.didNavigate;
-        if (window.testRunner)
-            testRunner.notifyDone();
-        return;
-    }
-
-    // Change the location in a timeout to make sure it generates a history entry
-    setTimeout(function() {
-            window.location = 'resources/back-with-fragment-change-target.html'
-            sessionStorage.didNavigate = true;
-        }, 0);
-}
-
-// Make sure there's no page cache.
-onunload = function() { };
-</script>
-<p>
-Tests that a history navigation that is aborted by a fragment change doesn't
-update the provisional history item. This test relies on
-<code>testRunner.dumpBackForwardList</code> to verify correctness
-and thus can only be run via DumpRenderTree.</p>