Eslint error testcase

.eslintignore

foo.js

.eslintrc

{
  "rules": {
    "quotes": [2, "double"]
  }
}

.gitignore

node_modules

foo.js

var a = 'a';

index.js

var a = "1";

package.json

{
  "name": "eslint-error",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "eslint": "^2.2.0"
  },
  "devDependencies": {},
  "author": "",
  "license": "ISC"
}