Docs: Updated links to https where they are supported.

Close gh-2746

test/networkerror.html

@@ -40,7 +40,7 @@
 	</h1>
 	<div>
 		This is a test page for
-		<a href="http://bugs.jquery.com/ticket/8135">
+		<a href="https://bugs.jquery.com/ticket/8135">
 			#8135
 		</a>
 		which was reported in Firefox when accessing properties

test/readywait.html

@@ -39,9 +39,9 @@
 	<p>
 		This is a test page for jQuery.readyWait and jQuery.holdReady,
 		see
-		<a href="http://bugs.jquery.com/ticket/6781">#6781</a>
+		<a href="https://bugs.jquery.com/ticket/6781">#6781</a>
 		and
-		<a href="http://bugs.jquery.com/ticket/8803">#8803</a>.
+		<a href="https://bugs.jquery.com/ticket/8803">#8803</a>.
 	</p>
 	<p>
 	Test for jQuery.holdReady, which can be used

test/unit/manipulation.js

@@ -2575,7 +2575,7 @@ QUnit.test( "insertAfter, insertBefore, etc do not work when destination is orig
 			"<div id='test4087-multiple'><div class='test4087-multiple'>1</div><div class='test4087-multiple'>2</div></div>"
 		].join( "" ) ).appendTo( "#qunit-fixture" );
 
-		// complex case based on http://jsfiddle.net/pbramos/gZ7vB/
+		// complex case based on https://jsfiddle.net/pbramos/gZ7vB/
 		jQuery( "#test4087-complex div" )[ name ]( "#test4087-complex li:last-child div:last-child" );
 		assert.equal( jQuery( "#test4087-complex li:last-child div" ).length, name === "replaceAll" ? 1 : 2, name + " a node to itself, complex case." );