/**
* Tests that a nested action can be retrieved by UUID.
*/
public function testLookupAction()
{
$this->actionSet->addExpressionObject($this->testActionExpression->reveal());
$uuid = $this->actionSet->getIterator()->key();
$this->assertSame($this->testActionExpression->reveal(), $this->actionSet->getExpression($uuid));
$this->assertFalse($this->actionSet->getExpression('invalid UUID'));
}
