python3Packages.labgrid: fix test_help under python 3.14 (#518712)

pkgs/development/python-modules/labgrid/default.nix

@@ -4,6 +4,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   fetchpatch,
+  fetchpatch2,
   grpcio,
   grpcio-tools,
   grpcio-reflection,
@@ -53,6 +54,11 @@ buildPythonPackage rec {
       url = "https://github.com/Emantor/labgrid/commit/f0b672afe1e8976c257f0adff9bf6e7ee9760d6f.patch";
       sha256 = "sha256-M7rg+W9SjWDdViWyWe3ERzbUowxzf09c4w1yG3jQGak=";
     })
+    # Fix test_help under python 3.14 argparse colored output.
+    (fetchpatch2 {
+      url = "https://github.com/labgrid-project/labgrid/commit/417ace60b9dc043767afb312113a02bcb0807b17.patch?full_index=1";
+      hash = "sha256-QCkO/PQbosqUldzJiOyF6BHvyzZI06CGs9IxHPPa6Ek=";
+    })
   ];
 
   build-system = [
@@ -98,6 +104,9 @@ buildPythonPackage rec {
     "test_argument_device_expansion"
     "test_argument_file_expansion"
     "test_local_managedfile"
+
+    # flaky: teardown race on x86_64-linux
+    "test_remoteplace_target"
   ];
 
   pytestFlags = [ "--benchmark-disable" ];