old_contents: /* globals module */
  
  var EOL = require('os').EOL;
  
  module.exports = {
      description: 'Register test helpers',
  
      afterInstall: function( options ) {
              // Import statement
          var firstFile          = 'tests/helpers/start-app.js',
              firstText          = "import slregisterTestHelpers from './sl/register-test-helpers';",
              firstLocationText  = "import Ember from 'ember';" + EOL,
  
              // Execution of registration function
              secondFile         = 'tests/helpers/start-app.js',
              secondText         = "    slregisterTestHelpers();",
              secondLocationText = "application.setupForTesting();" + EOL,
  
              // .jshintrc file
              thirdFile          = 'tests/.jshintrc',
              thirdText          = '    "contains",',
              thirdLocationText  = '"predef": [' + EOL;
  
              // Import statement
          return this.insertIntoFile( firstFile, firstText, { after: firstLocationText } )
  
              // Execution of registration function
              .then( function() {
                  return this.insertIntoFile( secondFile, secondText, { after: secondLocationText } );
              }.bind(this))
  
              // .jshintrc file
              .then( function() {
                  return this.insertIntoFile( thirdFile, thirdText, { after: thirdLocationText } );
              }.bind(this));
      },
  
      normalizeEntityName: function() {}
  };
  
new_contents: /* globals module */
  
  var EOL = require('os').EOL;
  
  module.exports = {
      description: 'Register test helpers',
  
      afterInstall: function( options ) {
              // Import statement
          var firstFile          = 'tests/helpers/start-app.js',
              firstText          = "import slregisterTestHelpers from './sl/register-test-helpers';",
              firstLocationText  = "import Ember from 'ember';" + EOL,
  
              // Execution of registration function
              secondFile         = 'tests/helpers/start-app.js',
              secondText         = "    slregisterTestHelpers();",
              secondLocationText = "application.setupForTesting();" + EOL,
  
              // .jshintrc file
              thirdFile          = 'tests/.jshintrc',
              thirdText          = '    "contains",' + EOL + '    "requires",',
              thirdLocationText  = '"predef": [' + EOL;
  
              // Import statement
          return this.insertIntoFile( firstFile, firstText, { after: firstLocationText } )
  
              // Execution of registration function
              .then( function() {
                  return this.insertIntoFile( secondFile, secondText, { after: secondLocationText } );
              }.bind(this))
  
              // .jshintrc file
              .then( function() {
                  return this.insertIntoFile( thirdFile, thirdText, { after: thirdLocationText } );
              }.bind(this));
      },
  
      normalizeEntityName: function() {}
  };
  
subject: Add "requires" entry to .jshintrc entry in blueprint (overlooked in previous commit)