description() публичный Метод

Formats operation object into a descriptive string
public description ( ) : string
Результат string
 public function testDescription()
 {
     $wfop = new WorkflowOperation((object) ['description' => 'Dumbo Drop', 'run_time' => 1.2345]);
     $this->assertEquals("Operation: Dumbo Drop finished in 1s", $wfop->description());
 }