More tests for PV

tests/test_simulations.py

 """Live integration tests for SimStadt workflows. Skipped if SimStadt is not installed."""
 
 from pathlib import Path
-import rich
 
 import pytest
+import rich
 
 from simstadt.results import KPI
 from simstadt.runner import run_workflow_with_citygml
@@ -54,7 +54,14 @@ def test_pv():
     assert "PV potential yield" in kpis
     assert "Roof area for PV" in kpis
     assert kpis["PV potential yield"].value > 0
-    assert kpis["Roof area for PV"].value > 0
+    assert kpis["PV potential nominal power"].value > 0
+    assert kpis["PV potential nominal power"].unit == "kWp"
+    assert kpis["Irradiance in module plane"].unit == "W / m²"
+    assert kpis["Irradiance in module plane"].value == pytest.approx(150, abs=20)
+    assert kpis["PV specific yield"].unit == "kWh / (kWp · a)"
+    assert kpis["PV specific yield"].value == pytest.approx(1100, abs=100)
+    assert kpis["Roof area for PV"].value > 100
+    assert kpis["Roof area for PV"].unit == 'm²'
 
 
 @pytest.mark.integration
@@ -69,6 +76,6 @@ def test_load_profile():
     rich.print(kpis)
 
     assert "Number of buildings" in kpis
-    assert "Total load [MWh]" in kpis or any("load" in k.lower() for k in kpis)
+    assert "Total load" in kpis
+    assert "Average load" in kpis
     assert kpis["Number of buildings"].value > 0
-