style(core): silence ruff ARG005 on unused lambda args in cache tests

Author: cpcloud

cuda_core/tests/test_program_compile_cache.py

@@ -99,7 +99,7 @@ def test_name_expressions_affects_cache_key(monkeypatch):
     """Different ``name_expressions`` must produce different cache keys."""
     sentinel = _make_sentinel_object_code()
     program = Program(_KERNEL, "c++", ProgramOptions(arch="sm_80"))
-    monkeypatch.setattr(Program, "_raw_compile", lambda self, *args, **kwargs: sentinel)
+    monkeypatch.setattr(Program, "_raw_compile", lambda _self, *_args, **_kwargs: sentinel)
     cache = _RecordingCache()
 
     program.compile("cubin", name_expressions=("foo",), cache=cache)
@@ -177,7 +177,7 @@ def test_cache_write_exception_propagates(monkeypatch):
     """Exceptions from cache.__setitem__ propagate after compile runs."""
     sentinel = _make_sentinel_object_code()
     program = Program(_KERNEL, "c++", ProgramOptions(arch="sm_80"))
-    monkeypatch.setattr(Program, "_raw_compile", lambda self, *args, **kwargs: sentinel)
+    monkeypatch.setattr(Program, "_raw_compile", lambda _self, *_args, **_kwargs: sentinel)
     cache = _RecordingCache()
     cache.set_side_effect = RuntimeError("disk full")
 
@@ -192,7 +192,7 @@ def test_no_cache_kwarg_does_not_derive_key(monkeypatch):
     """Without cache=, no cache-module functions run; compile goes straight through."""
     sentinel = _make_sentinel_object_code()
     program = Program(_KERNEL, "c++", ProgramOptions(arch="sm_80"))
-    monkeypatch.setattr(Program, "_raw_compile", lambda self, *args, **kwargs: sentinel)
+    monkeypatch.setattr(Program, "_raw_compile", lambda _self, *_args, **_kwargs: sentinel)
 
     # If the implementation accidentally derived a key, it would call
     # make_program_cache_key. Replace it with a raising stub to catch that.