CSS not being extracted when using @import

[peripateticus]

Getting below error as a result of an @import ... in <style> section:

watched directories: 
webpack config: ...frontend/node_modules/@rei/vunit/webpack.config.js
specGlob: ./test/**/*.spec.js
--------------------------------
Setting up JSDOM...OK.
 WEBPACK  Compiling...
 WEBPACK  Compiled successfully in 1090ms
 MOCHA  Testing...
 RUNTIME EXCEPTION  Exception occurred while loading your tests

.../frontend/node_modules/@rei/cdr-icon/dist/cdr-icon.css:1
(function (exports, require, module, __filename, __dirname) { .cdr-icon-sprite{display:none}.cdr-icon_1\.0\.0{display:inline-block;vertical-align:middle;-ms-flex:0 0 auto;flex:0 0 auto;width:2.4rem;height:2.4rem;fill:#292929}.cdr-icon--sm_1\.0\.0{width:1.6rem;height:1.6rem}.cdr-icon--lg_1\.0\.0{width:3.2rem;height:3.2rem}.cdr-icon--inherit-color_1\.0\.0{fill:inherit}
                                                              ^

SyntaxError: Unexpected token .
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Module._compile (module.js:616:28)
    at Module._extensions..js (module.js:663:10)
    at Object._module2.default._extensions.(anonymous function) [as .js] (..../frontend/node_modules/mocha-webpack/lib/util/registerRequireHook.js:140:62)

[peripateticus]

Fixed in #2