chore: Upgrade more dev dependencies

Also do not run travis on node 6

.travis.yml

@@ -3,7 +3,6 @@ node_js:
   - "12"
   - "10"
   - "8"
-  - "6"
 
 env:
   - JOB=test

package.json

@@ -23,17 +23,17 @@
     "@babel/cli": "^7.2.0",
     "@babel/core": "^7.2.0",
     "@babel/preset-env": "^7.2.0",
-    "ava": "^1.1.0",
+    "ava": "^2.4.0",
     "babel-eslint": "^10.0.1",
     "babel-plugin-istanbul": "^5.1.0",
     "babel-plugin-react-intl": "^4.1.19",
-    "cross-env": "^5.2.0",
+    "cross-env": "^6.0.0",
     "eslint": "^6.5.1",
     "eslint-config-babel": "^9.0.0",
     "eslint-config-prettier": "^6.3.0",
     "eslint-plugin-flowtype": "^4.3.0",
     "eslint-plugin-prettier": "^3.0.0",
-    "husky": "^1.2.0",
+    "husky": "^3.0.7",
     "lint-staged": "^9.4.1",
     "nyc": "^14.1.1",
     "prettier": "^1.15.3",
@@ -90,6 +90,9 @@
       "!test/fixtures/**/*",
       "!test/helpers/**/*"
     ],
+    "helpers": [
+      "**/helpers/**/*"
+    ],
     "sources": [
       "src/**/*.js"
     ]

test/cache.test.js

@@ -191,7 +191,7 @@ test.serial.cb(
   },
 );
 
-test.cb.skip("should read from cache directory if cached file exists", t => {
+test.cb("should read from cache directory if cached file exists", t => {
   const config = Object.assign({}, globalConfig, {
     output: {
       path: t.context.directory,