public function testGetArrayCopyReturnsAnArrayWithPropertyValues()
 {
     $issue = new Issue();
     $data = array('id' => 123, 'title' => 'some title');
     $issue->exchangeArray($data);
     $copyArray = $issue->getArrayCopy();
     $this->assertSame($data['id'], $copyArray['id'], '"id" was not set correctly');
     $this->assertSame($data['title'], $copyArray['title'], '"title" was not set correctly');
 }