refactor: init cypress-cucumber-preprocessor install.

node_modules/crypto-browserify/test/pbkdf2.js

@@ -0,0 +1,21 @@
+var tape = require('tape')
+var crypto = require('pbkdf2/browser')
+
+var vectors = require('hash-test-vectors/pbkdf2')
+
+tape('pbkdf2', function (t) {
+  vectors.forEach(function (input) {
+    // skip inputs that will take way too long
+    if (input.iterations > 10000) return
+
+    var key = crypto.pbkdf2Sync(input.password, input.salt, input.iterations, input.length)
+
+    if (key.toString('hex') !== input.sha1) {
+      console.log(input)
+    }
+
+    t.equal(key.toString('hex'), input.sha1)
+  })
+
+  t.end()
+})