old_contents: module.exports = function() {
    'use strict';
  
    return {
      description: [
        'execute unit tests',
        '  options:',
        '    --no-coverage   (default: false)',
        '    --no-saucelabs  (default: false)',
        '    --e2e-browsers  (default: Chrome)',
        '  Environment Variables:',
        '    PROTRACTOR_BROWSERS (default: Chrome)'
      ],
      options: {
        watch: 'angularToolbox.watch',
        coverage: 'angularToolbox.coverage',
        saucelabs: {
          env: 'USE_SAUCELABS',
          key: 'angularToolbox.saucelabs'
        },
        'e2e-browsers': {
          env: 'PROTRACTOR_BROWSERS',
          alias: [
            'e2e-browser',
            'browsers',
            'browser',
          ],
          type: 'array',
          key: 'angularToolbox.e2eBrowsers'
        }
      },
      run: [
        'shell:updateWebdriver',
        {
          if: 'angularToolbox.watch',
          task: [
            'shell:triggerTests',
            'watch:e2e'
          ],
          else: 'runtest:e2e'
        }
      ]
    };
  };
  
new_contents: module.exports = function() {
    'use strict';
  
    return {
      description: [
        'execute e2e tests',
        '  options:',
        '    --no-coverage   (default: false)',
        '    --no-saucelabs  (default: false)',
        '    --e2e-browsers  (default: Chrome)',
        '  Environment Variables:',
        '    PROTRACTOR_BROWSERS (default: Chrome)'
      ],
      options: {
        watch: 'angularToolbox.watch',
        coverage: 'angularToolbox.coverage',
        saucelabs: {
          env: 'USE_SAUCELABS',
          key: 'angularToolbox.saucelabs'
        },
        'e2e-browsers': {
          env: 'PROTRACTOR_BROWSERS',
          alias: [
            'e2e-browser',
            'browsers',
            'browser',
          ],
          type: 'array',
          key: 'angularToolbox.e2eBrowsers'
        }
      },
      run: [
        'shell:updateWebdriver',
        {
          if: 'angularToolbox.watch',
          task: [
            'shell:triggerTests',
            'watch:e2e'
          ],
          else: 'runtest:e2e'
        }
      ]
    };
  };
  
subject: fix typo