disable automock in fbsource/xplat

Reviewed By: cpojer

Differential Revision: D5221281

fbshipit-source-id: 65ef24a0ed59cffadc96b54ae9c4f6d1f677522d

package.json

@@ -11,7 +11,7 @@
     "node": ">=4"
   },
   "jest": {
-    "automock": true,
+    "automock": false,
     "transform": {
       ".*": "./jest/preprocessor.js"
     },