chore(deps): update @cypress/eslint-plugin-dev + eslint (#4930)

* chore(deps): update @cypress/eslint-plugin-json + eslint

* fix redefine global var

.eslintignore

@@ -27,3 +27,4 @@ packages/launcher/lib/**/*.js
 **/tsconfig.json
 **/.vscode
 **/.history
+**/.cy

.vscode/settings.json

@@ -1,4 +1,5 @@
 {
+  "eslint.alwaysShowStatus": true,
   "eslint.autoFixOnSave": true,
   "eslint.validate": [
     {

package.json

@@ -67,8 +67,7 @@
     "@cypress/bumpercar": "2.0.9",
     "@cypress/commit-message-install": "2.7.0",
     "@cypress/env-or-json-file": "2.0.0",
-    "@cypress/eslint-plugin-dev": "3.7.2",
-    "@cypress/eslint-plugin-json": "3.2.3",
+    "@cypress/eslint-plugin-dev": "4.0.0",
     "@cypress/github-commit-status-check": "1.5.0",
     "@cypress/npm-run-all": "4.0.5",
     "@cypress/questions-remain": "1.0.1",
@@ -108,8 +107,9 @@
     "decaffeinate": "6.0.1",
     "del": "3.0.0",
     "electron-builder": "20.39.0",
-    "eslint": "5.16.0",
+    "eslint": "6.1.0",
     "eslint-plugin-cypress": "2.6.0",
+    "eslint-plugin-json-format": "2.0.0",
     "eslint-plugin-mocha": "5.3.0",
     "eslint-plugin-react": "7.14.2",
     "execa": "1.0.0",

packages/socket/test/socket_spec.js

@@ -1,5 +1,3 @@
-/* global describe, it, context */
-
 const fs = require('fs')
 const path = require('path')
 const server = require('socket.io')