libmodsecurity: add passthru test for nginx-modsecurity

pkgs/tools/security/libmodsecurity/default.nix

@@ -2,6 +2,7 @@
 , autoreconfHook, bison, flex, pkg-config
 , curl, geoip, libmaxminddb, libxml2, lmdb, lua, pcre
 , ssdeep, valgrind, yajl
+, nixosTests
 }:
 
 stdenv.mkDerivation rec {
@@ -50,6 +51,10 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    nginx-modsecurity = nixosTests.nginx-modsecurity;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/SpiderLabs/ModSecurity";
     description = ''