tuptime: pass through nixosTests.tuptime

pkgs/tools/system/tuptime/default.nix

@@ -1,6 +1,8 @@
 { lib, stdenv, fetchFromGitHub
 , makeWrapper, installShellFiles
-, python3, sqlite }:
+, python3, sqlite
+, nixosTests
+}:
 
 stdenv.mkDerivation rec {
   pname = "tuptime";
@@ -34,6 +36,8 @@ stdenv.mkDerivation rec {
       --prefix PATH : "${lib.makeBinPath [ sqlite ]}"
   '';
 
+  passthru.tests = nixosTests.tuptime;
+
   meta = with lib; {
     description = "Total uptime & downtime statistics utility";
     homepage = "https://github.com/rfrail3/tuptime";