replace jest with ava

node_modules/well-known-symbols/LICENSE

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+ISC License (ISC)
+Copyright (c) 2017 Mark Wubben <mark@novemberborn.net> (novemberborn.net)
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.

node_modules/well-known-symbols/README.md

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+# well-known-symbols
+
+Check whether a symbol is [well-known](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Well-known_symbols).
+
+Requires Node.js 6 or above. Note that not all Node.js versions support the same
+well-known symbols.
+
+## Installation
+
+```console
+$ npm install --save well-known-symbols
+```
+
+## Usage
+
+```js
+const wellKnownSymbols = require('well-known-symbols')
+
+wellKnownSymbols.isWellKnown(Symbol.iterator) // true
+wellKnownSymbols.isWellKnown(Symbol()) // false
+
+wellKnownSymbols.getLabel(Symbol.iterator) // 'Symbol.iterator'
+wellKnownSymbols.getLabel(Symbol()) // undefined
+```

node_modules/well-known-symbols/index.js

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+'use strict'
+
+// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Well-known_symbols
+const WELL_KNOWN = new Map([
+  [Symbol.iterator, 'Symbol.iterator'],
+  [Symbol.asyncIterator, 'Symbol.asyncIterator'],
+  [Symbol.match, 'Symbol.match'],
+  [Symbol.replace, 'Symbol.replace'],
+  [Symbol.search, 'Symbol.search'],
+  [Symbol.split, 'Symbol.split'],
+  [Symbol.hasInstance, 'Symbol.hasInstance'],
+  [Symbol.isConcatSpreadable, 'Symbol.isConcatSpreadable'],
+  [Symbol.unscopables, 'Symbol.unscopables'],
+  [Symbol.species, 'Symbol.species'],
+  [Symbol.toPrimitive, 'Symbol.toPrimitive'],
+  [Symbol.toStringTag, 'Symbol.toStringTag']
+].filter(entry => entry[0]))
+
+exports.isWellKnown = symbol => WELL_KNOWN.has(symbol)
+exports.getLabel = symbol => WELL_KNOWN.get(symbol)

node_modules/well-known-symbols/package.json

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+{
+  "name": "well-known-symbols",
+  "version": "2.0.0",
+  "description": "Check whether a symbol is well-known",
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "engines": {
+    "node": ">=6"
+  },
+  "scripts": {
+    "lint": "as-i-preach",
+    "test": "npm -s run lint && nyc ava"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/novemberborn/well-known-symbols.git"
+  },
+  "keywords": [
+    "symbols",
+    "es6",
+    "es7",
+    "es8",
+    "es2015",
+    "es2016",
+    "es2017"
+  ],
+  "author": "Mark Wubben (https://novemberborn.net/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/novemberborn/well-known-symbols/issues"
+  },
+  "homepage": "https://github.com/novemberborn/well-known-symbols#readme",
+  "devDependencies": {
+    "@novemberborn/as-i-preach": "^11.0.0",
+    "ava": "1.0.0-beta.8",
+    "codecov": "^3.1.0",
+    "nyc": "^13.0.1"
+  },
+  "nyc": {
+    "reporter": [
+      "html",
+      "lcov",
+      "text"
+    ]
+  },
+  "standard-engine": "@novemberborn/as-i-preach"
+}