/**
  * Management helpers
  */
 public function testHelpersManagement()
 {
     $helpers = new \Handlebars\Helpers(array('test' => function () {
     }), false);
     $engine = new \Handlebars\Handlebars(array('helpers' => $helpers));
     $this->assertTrue(is_callable($engine->getHelper('test')));
     $this->assertTrue($engine->hasHelper('test'));
     $engine->removeHelper('test');
     $this->assertFalse($engine->hasHelper('test'));
 }