Issue 7265 - Orgnanize request blocking filters by domain

test/filterClasses.js

Index: test/filterClasses.js
===================================================================
--- a/test/filterClasses.js
+++ b/test/filterClasses.js
@@ -625,20 +625,21 @@
 {
   let filter1 = Filter.fromText("foo$domain=blocking.example.com");
   let filter2 = Filter.fromText("bar$domain=blocking.example.com");
   let filter3 = Filter.fromText("elemhide.example.com##.foo");
   let filter4 = Filter.fromText("elemhide.example.com##.bar");
 
   // This compares the references to make sure that both refer to the same
   // object (#6815).
+
+  // For both request blocking and element hiding filters, the value of the
+  // property is cached internally only on second access.
+  test.notEqual(filter1.domains, filter2.domains);
   test.equal(filter1.domains, filter2.domains);
-
-  // For element hiding filters, the value of the property is cached internally
-  // only on second access.
   test.notEqual(filter3.domains, filter4.domains);
   test.equal(filter3.domains, filter4.domains);
 
   let filter5 = Filter.fromText("bar$domain=www.example.com");
   let filter6 = Filter.fromText("www.example.com##.bar");
 
   test.notEqual(filter2.domains, filter5.domains);