public function testProcessUpdate()
 {
     $existingSection = new Section();
     $updatedSection = new Section();
     $data = new SectionUpdateData(['section' => $existingSection]);
     $event = new FormActionEvent($this->getMock('\\Symfony\\Component\\Form\\FormInterface'), $data, 'foo');
     $this->sectionService->expects($this->once())->method('updateSection')->with($existingSection, $data)->willReturn($updatedSection);
     $this->processor->processUpdate($event);
     self::assertSame($updatedSection, $data->section);
 }