public function user()
{
$instance = new Instance(['Tags' => [['Key' => 'inspector', 'Value' => 'User:Foo']], 'PrivateIpAddress' => '4.5.7.6']);
$this->assertEquals('User:Foo', $instance->getTag('inspector'));
$connection = $instance->getSshConnection();
$this->assertEquals('4.5.7.6', $connection->getHost());
$this->assertEquals('Foo', $connection->getUsername());
}