added toolbar to user screen #56 (#66)

* added toolbar to user screen # 56
* added filter for user role in user admin toolbar # 56
* added unit tests for queries # 56

tests/TimesheetBundle/Repository/Query/CustomerQueryTest.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Kimai package.
+ *
+ * (c) Kevin Papst <kevin@kevinpapst.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace KimaiTest\TimesheetBundle\Repository\Query;
+
+use AppBundle\Repository\Query\VisibilityInterface;
+use AppBundle\Repository\Query\VisibilityTrait;
+use KimaiTest\AppBundle\Repository\Query\BaseQueryTest;
+use TimesheetBundle\Repository\Query\CustomerQuery;
+
+/**
+ * @covers \TimesheetBundle\Repository\Query\CustomerQuery
+ * @author Kevin Papst <kevin@kevinpapst.de>
+ */
+class CustomerQueryTest extends BaseQueryTest
+{
+    public function testQuery()
+    {
+        $sut = new CustomerQuery();
+
+        $this->assertBaseQuery($sut);
+        $this->assertInstanceOf(VisibilityInterface::class, $sut);
+        $this->assertArrayHasKey(VisibilityTrait::class, class_uses($sut));
+    }
+}