fix: added to requirements pyyaml nad numpy. Also changed comment

Author: SculptTechProject

requirements.txt

@@ -2,4 +2,5 @@ pytest>=8.2
 ruff>=0.6
 build>=1.2
 hatchling>=1.25
-pyyaml>=6.0
+pyyaml>=6.0
+numpy

tests/test_orchestrator_pv_soc.py

@@ -8,7 +8,7 @@ def _writers(capture: Capture):
 
 def test_pv_pipeline_day_night_like_behaviour():
     """
-    Mini-day: day_period_s=2s, sunrise=0.0, sunset=2.0, so ~1.0s is 'noon'.
+    Mini-day: day_period_s=2s, sunrise=0.5, sunset=1.5, so ~1.0s is 'noon'.
     Expect pv_power to become > 0 when irradiance > 0.
     """
     cap = Capture()