Updated tests

tests/test_cli.py

@@ -95,6 +95,7 @@ def test_run_kpis_on_stdout(mock_simstadt, run_cli, capsys, tmp_path):
     out, err = run_cli(capsys, HEAT_TEMPLATE, CITYGML, "-p", proj)
     assert "Heated area" in out
     assert "Year of construction" in out
+    assert "Output files:" not in out
     assert err == ""  # silent on success
 
 
@@ -108,18 +109,12 @@ def test_run_files_flag(mock_simstadt, run_cli, capsys, tmp_path):
     assert "Mean Uvalue" in out
 
 
-def test_run_no_files_flag(mock_simstadt, run_cli, capsys, tmp_path):
-    proj = tmp_path / "Test.proj"
-    proj.mkdir()
-    out, _ = run_cli(capsys, HEAT_TEMPLATE, CITYGML, "-p", proj)
-    assert "Output files:" not in out
+def broken_simstadt(workflow_path: Path, name: str) -> str:
+    raise ValueError("BOOM!")
 
 
 def test_run_error_on_stderr(monkeypatch, capsys, tmp_path):
-    monkeypatch.setattr(
-        "simstadt.runner.run_simstadt",
-        lambda *a, **kw: (_ for _ in ()).throw(ValueError("boom")),
-    )
+    monkeypatch.setattr("simstadt.runner.run_simstadt", broken_simstadt)
     monkeypatch.setattr(
         sys,
         "argv",