--- /dev/null
+<?php
+
+namespace Drupal\Tests\webprofiler\Unit\DataCollector;
+
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Class DataCollectorBaseTest.
+ *
+ * @group webprofiler
+ */
+abstract class DataCollectorBaseTest extends UnitTestCase {
+
+ /**
+ * @var
+ */
+ protected $request;
+
+ /**
+ * @var
+ */
+ protected $response;
+
+ /**
+ * @var
+ */
+ protected $exception;
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setUp() {
+ parent::setUp();
+
+ $this->request = $this->getMock('Symfony\Component\HttpFoundation\Request');
+ $this->response = $this->getMock('Symfony\Component\HttpFoundation\Response');
+ $this->exception = $this->getMock('Exception');
+ }
+
+}