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');
});

@@ -384,18 +384,60 @@
 ests.js'
-%5D
 ,
+ 'less_tests.import.less'%5D,%0A               
  'client

Add forgotten file to tests section in package.js