Update Jest to 20.1 alpha 3

Reviewed By: cpojer

Differential Revision: D5356174

fbshipit-source-id: b718f9e40d731999329b7ff0e6d498a523772c84

package.json

@@ -174,7 +174,7 @@
     "glob": "^7.1.1",
     "graceful-fs": "^4.1.3",
     "inquirer": "^3.0.6",
-    "jest-haste-map": "^20.1.0-alpha.1",
+    "jest-haste-map": "20.1.0-alpha.3",
     "json-stable-stringify": "^1.0.1",
     "json5": "^0.4.0",
     "left-pad": "^1.1.3",
@@ -227,9 +227,9 @@
     "eslint-plugin-flowtype": "^2.33.0",
     "eslint-plugin-react": "^7.0.1",
     "flow-bin": "^0.49.1",
-    "jest": "^20.0.4",
-    "jest-repl": "^20.0.4",
-    "jest-runtime": "^20.0.4",
+    "jest": "20.1.0-alpha.3",
+    "jest-repl": "20.1.0-alpha.3",
+    "jest-runtime": "20.1.0-alpha.3",
     "mock-fs": "^4.4.1",
     "react": "16.0.0-alpha.12",
     "react-test-renderer": "16.0.0-alpha.12",