refactor: init cypress-cucumber-preprocessor install.

node_modules/browserify/test/stdin.js

@@ -0,0 +1,35 @@
+var test = require('tap').test;
+var spawn = require('child_process').spawn;
+var concat = require('concat-stream');
+var path = require('path');
+var vm = require('vm');
+
+test('stdin', function (t) {
+    t.plan(2);
+    
+    var cwd = process.cwd();
+    process.chdir(__dirname);
+    
+    var ps = spawn(process.execPath, [
+        path.resolve(__dirname, '../bin/cmd.js'),
+        '-'
+    ]);
+    
+    ps.stdout.pipe(concat(function (body) {
+        var c = { console: {
+            log: function (msg) {
+                t.equal(msg, 'hello');
+            }
+        } };
+        vm.runInNewContext(body, c);
+    }));
+    ps.stderr.pipe(process.stderr);
+    
+    ps.on('exit', function (code) {
+        t.equal(code, 0);
+    });
+    
+    ps.stdin.write("console.log('hello')");
+    ps.stdin.end();
+    
+});