support different formats in user timesheet exports (#1222)

tests/Export/Renderer/PdfRendererTest.php

@@ -17,6 +17,8 @@ use Symfony\Component\HttpFoundation\Request;
 use Twig\Environment;
 
 /**
+ * @covers \App\Export\Base\PDFRenderer
+ * @covers \App\Export\Base\RendererTrait
  * @covers \App\Export\Renderer\PDFRenderer
  * @covers \App\Export\Renderer\RendererTrait
  * @group integration
@@ -31,9 +33,9 @@ class PdfRendererTest extends AbstractRendererTest
     public function testConfiguration()
     {
         $sut = new PDFRenderer(
-            $this->getMockBuilder(Environment::class)->disableOriginalConstructor()->getMock(),
+            $this->createMock(Environment::class),
             $this->getDateTimeFactory(),
-            $this->getMockBuilder(HtmlToPdfConverter::class)->getMock()
+            $this->createMock(HtmlToPdfConverter::class)
         );
 
         $this->assertEquals('pdf', $sut->getId());