Refine ChaosGrad PoC test naming per review

Agent-Logs-Url: https://github.com/theomgdev/OdyssNet/sessions/57088ccc-df72-4266-9927-1c2648ebb7ee

Co-authored-by: theomgdev <29312699+theomgdev@users.noreply.github.com>

Author: Copilot

tests/training/test_chaos_optimizer.py

@@ -282,7 +282,7 @@ def test_compute_signals_expected_directions(self):
         assert sig_wd == pytest.approx(1.0, abs=1e-6)
         assert sig_mom == pytest.approx(-1.0, abs=1e-6)
 
-    def test_update_meta_params_positive_signal_increases_lr_and_reduces_alpha(self):
+    def test_update_meta_params_positive_signal_increases_lr_and_decreases_alpha(self):
         p = torch.nn.Parameter(torch.tensor([1.0]))
         opt = ChaosGrad([p], lr=1e-4)
         state = {