Scheduler: switch from generic to fluent_blue_light theme

Author: aleksei-semikozov

packages/devextreme/testing/tests/DevExpress.knockout/scheduler.tests.js

@@ -5,7 +5,7 @@ require('integration/knockout');
 const Scheduler = require('ui/scheduler');
 const { waitAsync } = require('../../helpers/scheduler/waitForAsync.js');
 
-require('generic_light.css!');
+require('fluent_blue_light.css!');
 
 if(QUnit.urlParams['nocsp']) {
     QUnit.module('scheduler');