Bug 1742785: Update more tests within dom/ and docshell/ to work with https-first enabled r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D132007

docshell/test/navigation/test_bug279495.html

@@ -33,7 +33,7 @@ async function countAndClose(name, expected_count) {
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=279495">Mozilla Bug 279495</a>
 <div id="links">
 <a id="link0" target="window0" onclick="window.open('blank.html', 'window0', 'width=10,height=10');">This is a fancy hyperlink</a>
-<a id="link1" target="window1" onclick="window.open('http://test1.example.org:80/tests/docshell/test/navigation/blank.html', 'window1', 'width=10,height=10');">This is a fancy hyperlink</a>
+<a id="link1" target="window1" onclick="window.open('https://test1.example.org/tests/docshell/test/navigation/blank.html', 'window1', 'width=10,height=10');">This is a fancy hyperlink</a>
 </div>
 <pre id="test">
 <script type="text/javascript">

dom/tests/browser/browser_test_new_window_from_content.js

@@ -36,7 +36,7 @@
 */
 
 const kContentDoc =
-  "http://www.example.com/browser/dom/tests/browser/test_new_window_from_content_child.html";
+  "https://www.example.com/browser/dom/tests/browser/test_new_window_from_content_child.html";
 const kNewWindowPrefKey = "browser.link.open_newwindow";
 const kNewWindowRestrictionPrefKey = "browser.link.open_newwindow.restriction";
 const kSameTab = "same tab";