old_contents: Package.describe({
    summary: "The dynamic stylesheet language"
  });
  
  Package._transitional_registerBuildPlugin({
    name: "compileLess",
    use: [],
    sources: [
      'plugin/compile-less.js'
    ],
    npmDependencies: {"less": "1.6.1"}
  });
  
  Package.on_test(function (api) {
    api.use(['test-helpers', 'tinytest', 'less']);
    api.use(['spark']);
    api.add_files(['less_tests.less', 'less_tests.js'], 'client');
  });
  
new_contents: Package.describe({
    summary: "The dynamic stylesheet language"
  });
  
  Package._transitional_registerBuildPlugin({
    name: "compileLess",
    use: [],
    sources: [
      'plugin/compile-less.js'
    ],
    npmDependencies: {"less": "1.6.1"}
  });
  
  Package.on_test(function (api) {
    api.use(['test-helpers', 'tinytest', 'less']);
    api.use(['spark']);
    api.add_files(['less_tests.less', 'less_tests.js', 'less_tests.import.less'],
                  'client');
  });
  
subject: Add forgotten file to tests section in package.js