refactor: init cypress-cucumber-preprocessor install.

node_modules/browserify/test/bin_tr_error.js

@@ -0,0 +1,27 @@
+var browserify = require('../');
+var spawn = require('child_process').spawn;
+var test = require('tap').test;
+var path = require('path')
+var semver = require('semver');
+
+// TODO this should be fixable I guess
+var flaky = process.platform === 'win32' && semver.satisfies(process.version, 'v0.10.x');
+
+test('function transform', { skip: flaky }, function (t) {
+    t.plan(3);
+    var ps = spawn(process.execPath, [
+        path.resolve(__dirname, '../bin/cmd.js'),
+        '-t', './tr.js', './main.js'
+    ], {cwd: path.resolve(__dirname, 'bin_tr_error')});
+    var src = '';
+    var err = '';
+    ps.stdout.on('data', function (buf) { src += buf });
+    ps.stderr.on('data', function (buf) { err += buf });
+    
+    ps.on('exit', function (code) {
+        t.notEqual(code, 0);
+        var errorFile = path.resolve(__dirname, 'bin_tr_error', 'tr.js');
+        t.notEqual(err.indexOf('there was error'), -1, 'Error should contain error message')
+        t.notEqual(err.indexOf(errorFile), -1, 'Error should contain stack trace')
+    });
+});