public function __construct($testEnvironmentName, $groupId, $hostId, $hostManager, $groupAdapter)
{
$msg = "in test environment {$testEnvironmentName}, group {$groupId}, host {$hostId}: host adapter '" . gettype($hostManager) . "' isn't compatible with group of type '" . gettype($groupAdapter) . "'";
parent::__construct(400, $msg, $msg);
}