Fixed failing test for Safari 2.

src/jquery/coreTest.js

@@ -140,7 +140,7 @@ test("add(String|Element|Array)", function() {
 	expect(7);
 	isSet( $("#sndp").add("#en").add("#sap").get(), q("sndp", "en", "sap"), "Check elements from document" );
 	isSet( $("#sndp").add( $("#en")[0] ).add( $("#sap") ).get(), q("sndp", "en", "sap"), "Check elements from document" );
-	ok( $([]).add($("#form")[0].elements).length > 13, "Check elements from array" );
+	ok( $([]).add($("#form")[0].elements).length >= 13, "Check elements from array" );
 
 	var x = $([]).add($("<p id='x1'>xxx</p>")).add($("<p id='x2'>xxx</p>"));
 	ok( x[0].id == "x1", "Check on-the-fly element1" );