Migrated tests to jest

Used jest-codemods to migrate, will have to pass everything by hand before we can merge.

test/pullAtValue/pullAtValue.js

@@ -1,9 +0,0 @@
-const pullAtValue = (arr, pullArr) => {
-let removed = [],
-pushToRemove = arr.forEach((v, i) => (pullArr.includes(v) ? removed.push(v) : v)),
-mutateTo = arr.filter((v, i) => !pullArr.includes(v));
-arr.length = 0;
-mutateTo.forEach(v => arr.push(v));
-return removed;
-};
-module.exports = pullAtValue;