Named exports from ol/css module

test/spec/ol/css.test.js

@@ -1,4 +1,4 @@
-import _ol_css_ from '../../../src/ol/css.js';
+import {getFontFamilies} from '../../../src/ol/css.js';
 
 describe('ol.css', function() {
 
@@ -25,7 +25,7 @@ describe('ol.css', function() {
 
     cases.forEach(function(c, i) {
       it('works for ' + c.font, function() {
-        var families = _ol_css_.getFontFamilies(c.font);
+        var families = getFontFamilies(c.font);
         if (c.families === null) {
           expect(families).to.be(null);
           return;