test(filterFilter): modify Date test to prevent off by one year error in Firefox

Author: petebacondarwin

test/ng/filter/filterSpec.js

@@ -541,7 +541,7 @@ describe('Filter: filter', function() {
 
 
     it('should consider objects with custom `toString()` in non-strict comparison', function() {
-      var obj = new Date(1970, 0);
+      var obj = new Date(1970, 1);
       var items = [{test: obj}];
       expect(filter(items, '1970').length).toBe(1);
       expect(filter(items, 1970).length).toBe(1);