refactor: init cypress-cucumber-preprocessor install.

node_modules/browserify/test/bundle-stream.js

@@ -0,0 +1,18 @@
+var browserify = require('../');
+var test = require('tap').test;
+
+var isReadable = require('isstream').isReadable;
+var isWritable = require('isstream').isWritable;
+
+test('bundle is readable stream', function (t) {
+    t.plan(4);
+    var b = browserify(__dirname + '/entry/main.js');
+    b.on('bundle', function(bundle) {
+        t.ok(isReadable(bundle));
+        t.notok(isWritable(bundle));
+    });
+
+    var stream = b.bundle();
+    t.ok(isReadable(stream));
+    t.notok(isWritable(stream));
+});