Test migration to jest by hand

Apparently using regular expressions is way easier.

test/parseCookie/parseCookie.js

@@ -0,0 +1,9 @@
+const parseCookie = str =>
+str
+.split(';')
+.map(v => v.split('='))
+.reduce((acc, v) => {
+acc[decodeURIComponent(v[0].trim())] = decodeURIComponent(v[1].trim());
+return acc;
+}, {
+module.exports = parseCookie;