All: Drop support for jQuery 1.6.x

Affects core, effects, position and widget. Only position has unit tests
that fail with jQuery 1.6 without the workaround.

Drops the 1.6.x copies jQuery of jQuery and removes them from the select
in the testsuites.

Fixes #10723
Closes gh-1422

1 files changed, 2 insertions, 9 deletions

diff --git a/tests/unit/core/core.js b/tests/unit/core/core.js
index 1b1dcbabf..2f3657605 100644
--- a/tests/unit/core/core.js
+++ b/tests/unit/core/core.js
@@ -127,18 +127,11 @@ test( "outerHeight(true) - setter", function() {
 test( "uniqueId / removeUniqueId", function() {
 	expect( 3 );
 	var el = $( "img" ).eq( 0 );
-
-	// support: jQuery <1.6.2
-	// support: IE <8
-	// We should use strictEqual( id, undefined ) when dropping jQuery 1.6.1 support (or IE6/7)
-	ok( !el.attr( "id" ), "element has no initial id" );
+	strictEqual( el.attr( "id" ), undefined, "element has no initial id" );
 	el.uniqueId();
 	ok( /ui-id-\d+$/.test( el.attr( "id" ) ), "element has generated id" );
 	el.removeUniqueId();
-	// support: jQuery <1.6.2
-	// support: IE <8
-	// see above
-	ok( !el.attr( "id" ), "unique id has been removed from element" );
+	strictEqual( el.attr( "id" ), undefined, "unique id has been removed from element" );
 });
 
 })( jQuery );