Drop mocha

As of version 6.0.0, mocha no longer supports Node.js 4

Author: kemitchell

package.json

@@ -15,7 +15,6 @@
   },
   "devDependencies": {
     "defence-cli": "^3.0.1",
-    "mocha": "^5.2.0",
     "replace-require-self": "^1.0.0",
     "standard": "^12.0.1"
   },
@@ -34,7 +33,7 @@
   "scripts": {
     "lint": "standard",
     "test:readme": "defence -i javascript README.md | replace-require-self | node",
-    "test:mocha": "mocha test/index.js",
-    "test": "npm run test:mocha && npm run test:readme"
+    "test:suite": "node test/index.js",
+    "test": "npm run test:suite && npm run test:readme"
   }
 }

test/index.js

@@ -1,7 +1,5 @@
 'use strict'
 
-/* global it */
-
 var assert = require('assert')
 var p = require('..')
 
@@ -83,3 +81,7 @@ it('parses `AND`, `OR` and `WITH` with the correct precedence', function () {
     }
   )
 })
+
+function it (message, test) {
+  test()
+}