Make sure the right React version is installed to test useAsync with.

Author: ghengeveld

.travis.yml

@@ -4,6 +4,6 @@ node_js:
 cache:
   directories:
     - node_modules
-script: npm run test:compat
+script: npm run test:compat && npm run test:hook
 after_success:
   - bash <(curl -s https://codecov.io/bash) -e TRAVIS_NODE_VERSION

package.json

@@ -27,12 +27,13 @@
   ],
   "scripts": {
     "build": "rimraf lib && babel src -d lib --ignore '**/*spec.js'",
-    "test": "jest src",
+    "test": "jest src/spec.js",
     "test:watch": "npm run test -- --watch",
     "test:compat": "npm run test:backwards && npm run test:forwards && npm run test:latest",
     "test:backwards": "npm i react@16.3.1 react-dom@16.3.1 && npm test",
     "test:forwards": "npm i react@next react-dom@next && npm test",
     "test:latest": "npm i react@latest react-dom@latest && npm test",
+    "test:hook": "npm i react@16.7.0-alpha.0 react-dom@16.7.0-alpha.0 && jest src/useAsync.spec.js",
     "prepublishOnly": "npm run test:compat && npm run build"
   },
   "dependencies": {},