refactor: init cypress-cucumber-preprocessor install.

node_modules/browserify/test/stream_file.js

@@ -0,0 +1,29 @@
+var browserify = require('../');
+var vm = require('vm');
+var test = require('tap').test;
+var fs = require('fs');
+var through = require('through2');
+var path = require('path');
+
+test('stream file', function (t) {
+    var expected = {};
+    expected[ path.join(__dirname, 'stream/fake.js') ] = true;
+    expected[ path.join(__dirname, 'stream/bar.js' ) ] = true;
+    expected[ path.join(__dirname, 'stream/foo.js' ) ] = true;
+    
+    t.plan(5);
+    
+    var stream = fs.createReadStream(__dirname + '/stream/main.js');
+    stream.file = path.join(__dirname, '/stream/fake.js');
+    
+    var b = browserify(stream, { basedir: __dirname + '/stream' });
+    b.transform(function (file) {
+        t.ok(expected[file]);
+        delete expected[file];
+        return through();
+    });
+    
+    b.bundle(function (err, src) {
+        vm.runInNewContext(src, { t: t });
+    });
+});