old_contents: var args = require('yargs').argv;
  
  module.exports = {
    extraScripts: args.dom === 'shadow' ? ['test/enable-shadow-dom.js'] : [],
    plugins: {
      'local': true,
      'istanbul': {
        'dir': './coverage',
        'reporters': ['text-summary', 'lcov'],
        'include': [
          '/iron-list-behavior.html',
          '/vaadin-grid-table-cell.html',
          '/vaadin-grid-column.html',
          '/vaadin-grid-data-source-behavior.html',
          '/vaadin-grid-table-edge-behavior.html',
          '/vaadin-grid-table-header-footer.html',
          '/vaadin-grid-table-outer-scroller.html',
          '/vaadin-grid-row-details-behavior.html',
          '/vaadin-grid-table-row.html',
          '/vaadin-grid-table-scroll-behavior.html',
          '/vaadin-grid-table.html',
          '/vaadin-grid-selection-behavior.html',
          '/vaadin-grid-sizer.html',
          '/vaadin-grid.html'
        ],
        'exclude': []
      }
    },
    root: '.'
  };
  
new_contents: var args = require('yargs').argv;
  
  module.exports = {
    extraScripts: args.dom === 'shadow' ? ['test/enable-shadow-dom.js'] : [],
    plugins: {
      'local': true,
      'istanbul': {
        'dir': './coverage',
        'reporters': ['text-summary', 'lcov'],
        'include': [
          '/iron-list-behavior.html',
          '/vaadin-grid-active-item-behavior.html',
          '/vaadin-grid-array-data-source-behavior.html',
          '/vaadin-grid-cell-click-behavior.html',
          '/vaadin-grid-column.html',
          '/vaadin-grid-data-source-behavior.html',
          '/vaadin-grid-dynamic-columns-behavior.html',
          // TODO: @limonte, revisit this in future, currently a weird istanbul bug here
          // '/vaadin-grid-filter-behavior.html',
          '/vaadin-grid-row-details-behavior.html',
          '/vaadin-grid-selection-behavior.html',
          '/vaadin-grid-selection-column.html',
          '/vaadin-grid-sizer.html',
          // TODO: @limonte, revisit this in future, currently a weird istanbul bug here
          // '/vaadin-grid-sort-behavior.html',
          '/vaadin-grid-table-cell.html',
          '/vaadin-grid-table-header-footer.html',
          '/vaadin-grid-table-outer-scroller.html',
          '/vaadin-grid-table-row.html',
          '/vaadin-grid-table-scroll-behavior.html',
          '/vaadin-grid-table.html',
          '/vaadin-grid-templatizer.html',
          '/vaadin-grid.html'
        ],
        'exclude': []
      }
    },
    root: '.'
  };
  
subject: Add missing vaadin-grid*.html files to code-coverage config