cleanup global context usage in widgets

tests/Controller/WidgetControllerTest.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Controller;
+
+use App\Entity\User;
+
+/**
+ * @group integration
+ */
+class WidgetControllerTest extends ControllerBaseTest
+{
+    public function testIsSecure()
+    {
+        $this->assertUrlIsSecured('/widgets/working-time/2020/1');
+    }
+
+    public function testWorkingtimechartAction()
+    {
+        $client = $this->getClientForAuthenticatedUser(User::ROLE_USER);
+        $this->assertAccessIsGranted($client, '/widgets/working-time/2020/1');
+
+        $content = $client->getResponse()->getContent();
+        self::assertStringContainsString('id="PaginatedWorkingTimeChart"', $content);
+        self::assertStringContainsString('myChart = new Chart', $content);
+        self::assertStringContainsString("KimaiPaginatedBoxWidget.create('#PaginatedWorkingTimeChart');", $content);
+    }
+}