public function testSiteLooupDoesNotExist()
{
$site_name = 'my-site';
$this->sites->method('findUuidByName')->with($this->equalTo($site_name))->will($this->throwException(new \Exception("A site named {$site_name} was not found.")));
$out = $this->command->lookup($site_name);
$this->assertInstanceOf(PropertyList::class, $out);
}