public function testCanUnregisterActions($actions)
{
$this->assertTrue($actions->unregister('test/output'));
$this->assertTrue($actions->unregister('test/non_ex_file'));
$this->assertFalse($actions->unregister('test/not_registered'));
$this->assertFalse($actions->exists('test/output'));
$this->assertFalse($actions->exists('test/non_ex_file'));
$this->assertFalse($actions->exists('test/not_registered'));
}