update test case for new exception output

tests/test_interface.py

@@ -32,6 +32,10 @@ def test_print_error_state(tmp_path):
     lines: list[str]
     with open(output_file, "r") as file:
         lines = file.readlines()
+        try:
+            lines.remove("\n")
+        except ValueError:  # pragma: no cover
+            pass
 
     assert "following exception" in lines[0]
     assert "Type: RuntimeError" in lines[1]