gitea: add passthru.tests

Reference nixos tests to execute on package upgrades.

pkgs/applications/version-management/gitea/default.nix

@@ -2,6 +2,7 @@
 , git, bash, gzip, openssh, pam
 , sqliteSupport ? true
 , pamSupport ? true
+, nixosTests
 }:
 
 with lib;
@@ -60,6 +61,8 @@ buildGoPackage rec {
 
   goPackagePath = "code.gitea.io/gitea";
 
+  passthru.tests.gitea = nixosTests.gitea;
+
   meta = {
     description = "Git with a cup of tea";
     homepage = "https://gitea.io";