gst_all_1.gst-editing-services: enable/disable tests in Meson (NixOS#431159)

Author: Artturin

pkgs/development/libraries/gstreamer/ges/default.nix

@@ -65,6 +65,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   mesonFlags = [
     (lib.mesonEnable "doc" enableDocumentation)
+    (lib.mesonEnable "tests" finalAttrs.finalPackage.doCheck)
   ];
 
   postPatch = ''