Fixed some bugs

tests/unit/test_simulation.py

@@ -45,7 +45,9 @@ def _fake_omc(
     return ProcessResult(
         tuple(command),
         0,
-        '"Check of Example completed successfully."\n',
+        '"Check of Example completed successfully.\n'
+        'Class Example has 1 equation(s) and 1 variable(s)."\n'
+        '""\n',
         "",
     )
 
@@ -114,6 +116,11 @@ def test_checks_existing_modelica_source(tmp_path: Path) -> None:
     result = asyncio.run(check())
 
     assert result.successful
+    assert result.output == [
+        "Check of Example completed successfully.",
+        "Class Example has 1 equation(s) and 1 variable(s).",
+        "",
+    ]
     script = (tmp_path / "model-command.mos").read_text(encoding="utf-8")
     assert "checkModel(Example);" in script