Update testee dep

Author: akagomez

package.json

@@ -30,7 +30,7 @@
     "steal-tools": "0.11.0-pre.9",
     "steal-qunit": "0.0.2",
     "system-npm": "0.3.0",
-    "testee": "0.2.0",
+    "testee": "^0.2.0",
     "underscore": "1.3.1"
   },
   "scripts": {