public function testSetRenditionFilterStringExplodesStringByCommaAndSetsResultAsFilterProperty()
 {
     $this->operationContext->setRenditionFilterString('');
     $this->assertAttributeSame(array('cmis:none'), 'renditionFilter', $this->operationContext);
     $this->operationContext->setRenditionFilterString('foo,bar');
     $this->assertAttributeSame(array('foo', 'bar'), 'renditionFilter', $this->operationContext);
     $this->operationContext->setRenditionFilterString('foo,bar,baz');
     $this->assertAttributeSame(array('foo', 'bar', 'baz'), 'renditionFilter', $this->operationContext);
 }