openfreebuds: relax all deps, add tests

- Set pythonRelaxDeps to true
- Add upstream test suite (battery, config, gestures, low_latency, event_bus)

pkgs/by-name/op/openfreebuds/package.nix

@@ -19,7 +19,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
 
   pyproject = true;
 
-  pythonRelaxDeps = [ "psutil" ];
+  pythonRelaxDeps = true;
 
   build-system = with python3Packages; [
     pdm-backend
@@ -33,6 +33,16 @@ python3Packages.buildPythonApplication (finalAttrs: {
 
   buildInputs = [ qt6.qtbase ];
 
+  nativeCheckInputs = with python3Packages; [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [
+    "openfreebuds/driver/huawei/test/"
+    "openfreebuds/test/test_event_bus.py"
+  ];
+
   dependencies = with python3Packages; [
     aiocmd
     aiohttp