Revert "[sequence tests] Skipping test pending the fix for jquery-archive#5118"

This reverts commit 7ba98d1.

Author: Gabriel Schulhof

tests/unit/navigation/sequence-tests/sequence_tests.js

@@ -358,10 +358,7 @@
 		], "openingAnotherPageAfterPopup" );
 	});
 
-	asyncTest( "SKIP"/* "Sequence page1 -> dialog1 -> popup1 -> page2 <- back" */, function() {
-		// Unskip this test when #5118 is fixed
-		expect( 1 ); ok( 1 === 1, "SKIP" ); start(); return;
-
+	asyncTest( "Sequence page1 -> dialog1 -> popup1 -> page2 <- back", function() {
 		var eventNs = ".page1Dialog1Popup1Page2Back";
 
 		expect( 6 );