fuse: make tests run, but disable

pkgs/os-specific/linux/fuse/common.nix

@@ -4,6 +4,7 @@
 , fusePackages, utillinux, gettext
 , meson, ninja, pkgconfig
 , autoreconfHook
+, python3Packages, which
 }:
 
 let
@@ -58,6 +59,14 @@ in stdenv.mkDerivation rec {
       ./makeconf.sh
     '');
 
+  checkInputs = [ which ] ++ (with python3Packages; [ python pytest ]);
+
+  checkPhase = ''
+    python3 -m pytest test/
+  '';
+
+  doCheck = false; # v2: no tests, v3: all tests get skipped in a sandbox
+
   postFixup = "cd $out\n" + (if isFuse3 then ''
     install -D -m444 etc/fuse.conf $common/etc/fuse.conf
     install -D -m444 etc/udev/rules.d/99-fuse3.rules $common/etc/udev/rules.d/99-fuse.rules