Use splitlines

Author: MartinThoma

tests/test_workflows.py

@@ -1044,7 +1044,7 @@ def test_cr_with_cm_operation():
 
 def remove_trailing_whitespace(text: str) -> str:
     text = text.strip()
-    return "\n".join(line.rstrip() for line in text.split("\n"))
+    return "\n".join(line.rstrip() for line in text.splitlines())
 
 
 @pytest.mark.samples()