public function testGetModelEntitiesAsJson()
 {
     $entities = json_decode($this->portfolioInformation->getModelEntitiesAsJson());
     $percent = 0;
     foreach ($entities as $entity) {
         $percent += $entity->data;
     }
     $this->assertEquals(100, $percent, 'Sum of non qualified entities subclasses percent must be 100%.');
     $this->portfolioInformation->setIsQualifiedModel(true);
     $entities = json_decode($this->portfolioInformation->getModelEntitiesAsJson());
     $percent = 0;
     foreach ($entities as $entity) {
         $percent += $entity->data;
     }
     $this->assertEquals(100, $percent, 'Sun of qualified entities subclasses percent must be 100%.');
 }