Cleaning up tests a bit

test/specs/adapter.spec.js

@@ -4,8 +4,7 @@ describe('adapter', function () {
   it('should support custom adapter', function (done) {
     var called = false;
 
-    axios({
-      url: '/foo',
+    axios('/foo', {
       adapter: function (resolve, reject, config) {
         called = true;
       }