Build: fix broken assertions caused by QUnit update

QUnit update broke couple traversing and manipulation tests, since new qunit
added another form to the test-suite while some of
jQuery selectors weren't specific

(cherry-picked from 8b6aeae52d4c53a53468678ccd45e9dda9665004)
Ref db31206d

test/unit/manipulation.js

@@ -210,23 +210,23 @@ function testAppend( valueObj ) {
 	equal( result.text(), defaultText + "buga", "Check if text appending works" );
 	equal( jQuery("#select3").append( valueObj("<option value='appendTest'>Append Test</option>") ).find("option:last-child").attr("value"), "appendTest", "Appending html options to select element" );
 
-	jQuery("form").append( valueObj("<input name='radiotest' type='radio' checked='checked' />") );
-	jQuery("form input[name=radiotest]").each(function() {
+	jQuery("#qunit-fixture form").append( valueObj("<input name='radiotest' type='radio' checked='checked' />") );
+	jQuery("#qunit-fixture form input[name=radiotest]").each(function() {
 		ok( jQuery(this).is(":checked"), "Append checked radio" );
 	}).remove();
 
-	jQuery("form").append( valueObj("<input name='radiotest2' type='radio' checked    =   'checked' />") );
-	jQuery("form input[name=radiotest2]").each(function() {
+	jQuery("#qunit-fixture form").append( valueObj("<input name='radiotest2' type='radio' checked    =   'checked' />") );
+	jQuery("#qunit-fixture form input[name=radiotest2]").each(function() {
 		ok( jQuery(this).is(":checked"), "Append alternately formated checked radio" );
 	}).remove();
 
-	jQuery("form").append( valueObj("<input name='radiotest3' type='radio' checked />") );
-	jQuery("form input[name=radiotest3]").each(function() {
+	jQuery("#qunit-fixture form").append( valueObj("<input name='radiotest3' type='radio' checked />") );
+	jQuery("#qunit-fixture form input[name=radiotest3]").each(function() {
 		ok( jQuery(this).is(":checked"), "Append HTML5-formated checked radio" );
 	}).remove();
 
-	jQuery("form").append( valueObj("<input type='radio' checked='checked' name='radiotest4' />") );
-	jQuery("form input[name=radiotest4]").each(function() {
+	jQuery("#qunit-fixture form").append( valueObj("<input type='radio' checked='checked' name='radiotest4' />") );
+	jQuery("#qunit-fixture form input[name=radiotest4]").each(function() {
 		ok( jQuery(this).is(":checked"), "Append with name attribute after checked attribute" );
 	}).remove();
 

test/unit/traversing.js

@@ -122,7 +122,7 @@ test("is(jQuery)", function() {
 	ok( !jQuery("#radio1").is( jQuery("input:checked") ), "Check for pseudoclass: Expected not checked" );
 
 	// Some raw elements
-	ok( jQuery("#form").is( jQuery("form")[0] ), "Check for element: A form is a form" );
+	ok( jQuery("#form").is( jQuery("#qunit-fixture form")[0] ), "Check for element: A form is a form" );
 	ok( !jQuery("#form").is( jQuery("div")[0] ), "Check for element: A form is not a div" );
 	ok( jQuery("#mark").is( jQuery(".blog")[0] ), "Check for class: Expected class 'blog'" );
 	ok( !jQuery("#mark").is( jQuery(".link")[0] ), "Check for class: Did not expect class 'link'" );