umu-launcher-unwrapped: add a check phase

pkgs/by-name/um/umu-launcher-unwrapped/package.nix

@@ -7,6 +7,7 @@
   python3Packages,
   rustPlatform,
   scdoc,
+  writableTmpDirAsHomeHook,
   withTruststore ? true,
   withDeltaUpdates ? true,
 }:
@@ -26,6 +27,11 @@ python3Packages.buildPythonPackage rec {
     hash = "sha256-nU4xZn9NPd7NgexiaNYLdo4BCbH98duZ07XYeUiceP0=";
   };
 
+  nativeCheckInputs = [
+    writableTmpDirAsHomeHook
+    python3Packages.pytestCheckHook
+  ];
+
   nativeBuildInputs = [
     cargo
     hatch
@@ -66,6 +72,17 @@ python3Packages.buildPythonPackage rec {
     "SHELL_INTERPRETER=${lib.getExe bash}"
   ];
 
+  disabledTests = [
+    # Broken? Asserts that $STEAM_RUNTIME_LIBRARY_PATH is non-empty
+    # Fails with AssertionError: '' is not true : Expected two elements in STEAM_RUNTIME_LIBRARY_PATHS
+    "test_game_drive_empty"
+    "test_game_drive_libpath_empty"
+
+    # Broken? Tests parse_args with no options (./umu_run.py)
+    # Fails with AssertionError: SystemExit not raised
+    "test_parse_args_noopts"
+  ];
+
   meta = {
     description = "Unified launcher for Windows games on Linux using the Steam Linux Runtime and Tools";
     changelog = "https://github.com/Open-Wine-Components/umu-launcher/releases/tag/${version}";