Index: test/filterListener.js
===================================================================
--- a/test/filterListener.js
+++ b/test/filterListener.js
@@ -70,16 +70,25 @@
     {
       for (let filter of set)
       {
         test.equal(matcher.findKeyword(filter), keyword,
                    "Keyword of filter " + filter.text);
         filters.push(filter.text);
       }
     }
+    for (let [keyword, set] of matcher._fastFilterByKeyword)
+    {
+      for (let filter of set)
+      {
+        test.equal(matcher.findKeyword(filter), keyword,
+                   "Keyword of filter " + filter.text);
+        filters.push(filter.text);
+      }
+    }
     result[type] = filters;
   }
 
   let elemHide = sandboxedRequire("../lib/elemHide");
   result.elemhide = [];
   for (let filter of elemHide.knownFilters)
     result.elemhide.push(filter.text);