public function testfill_in_additional_detail_fields()
 {
     $documentRevision = new DocumentRevision();
     //execute the method and test if it works and does not throws an exception.
     try {
         $documentRevision->fill_in_additional_detail_fields();
         $this->assertTrue(true);
     } catch (Exception $e) {
         $this->fail();
     }
 }