TEST COMPLETE does not appear at the end of spellchecking tests

LayoutTests/editing/spelling/spellcheck-disable-enable.html

Index: LayoutTests/editing/spelling/spellcheck-disable-enable.html
diff --git a/LayoutTests/editing/spelling/spellcheck-disable-enable.html b/LayoutTests/editing/spelling/spellcheck-disable-enable.html
index c82f4033ea576617acb9c9ce8a2b43cdf2b96c17..6c4d6e1184c94802d4f5d75794632d0122980456 100644
--- a/LayoutTests/editing/spelling/spellcheck-disable-enable.html
+++ b/LayoutTests/editing/spelling/spellcheck-disable-enable.html
@@ -17,6 +17,8 @@ description("Spell check markers should be removed from the whole page when disa
 "spell checker off - misspelling markers should disappear. Having the editable focused " +
 "turn spell checker on again. Misspellings in the editable should be marked again.");
 
+jsTestIsAsync = true;
+
 var destination_elm = null;
 var destination_elm_in_frame = null;
 
@@ -28,7 +30,7 @@ function test(destination, frame_doc)
         return;
     }
 
-    internals.settings.setAsynchronousSpellCheckingEnabled(false);
+    internals.settings.setAsynchronousSpellCheckingEnabled(true);
     internals.settings.setUnifiedTextCheckerEnabled(true);
 
     function waitForMarkersToAppear(node, nretry)
@@ -56,6 +58,7 @@ function test(destination, frame_doc)
     waitForMarkersToAppear(destination_elm.childNodes[0], 10);
     shouldBe('internals.markerCountForNode(destination_elm.childNodes[0], "spelling")', '1');
 
+    finishJSTest();
 }
 
 </script>