Fix test in IE10.

Polymer · Jul 21, 2016 · fb95dc8 · fb95dc8
1 parent 0e5d377
commit fb95dc8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/test/unit/base.html b/test/unit/base.html
@@ -42,6 +42,10 @@
     }
   };
   instance = Object.create(Child);
+  // make __proto__ work on IE10.
+  if (!Object.__proto__) {
+    instance.__proto__ = Child;
+  }
 });
 
 suite('addFeature', function() {