updates ts-jest

Author: GeeWee

.travis.yml

@@ -8,11 +8,7 @@ language: node_js
 node_js:
   - 6
   - 8
-cache:
-  directories:
-  - node_modules
-  - packages/create-react-app/node_modules
-  - packages/react-scripts/node_modules
+cache: false
 install: true
 script:
  - 'if [ $TEST_SUITE = "simple" ]; then tasks/e2e-simple.sh; fi'

packages/react-scripts/package.json

@@ -43,7 +43,7 @@
     "source-map-loader": "^0.2.1",
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "0.11.4",
-    "ts-jest": "^20.0.7",
+    "ts-jest": "22.0.1",
     "ts-loader": "^2.3.7",
     "tsconfig-paths-webpack-plugin": "^2.0.0",
     "tslint": "^5.7.0",