Upgrade to Jest 19

Author: rogeliog

Diff for: packages/react-scripts/package.json

@@ -26,7 +26,7 @@
     "autoprefixer": "6.7.5",
     "babel-core": "6.22.1",
     "babel-eslint": "7.1.1",
-    "babel-jest": "18.0.0",
+    "babel-jest": "19.0.0",
     "babel-loader": "6.3.2",
     "babel-preset-react-app": "^2.1.1",
     "babel-runtime": "^6.20.0",
@@ -51,7 +51,7 @@
     "gzip-size": "3.0.0",
     "html-webpack-plugin": "2.28.0",
     "http-proxy-middleware": "0.17.3",
-    "jest": "18.1.0",
+    "jest": "19.0.1",
     "object-assign": "4.1.1",
     "postcss-loader": "1.3.1",
     "promise": "7.1.1",