Brief docstring to explain test.

IPython/core/tests/test_interactiveshell.py

@@ -114,6 +114,8 b' class InteractiveShellTestCase(unittest.TestCase):'
         ip.run_cell('!(true)\n\n\n', False)
     
     def test_gh_597(self):
+        """Pretty-printing lists of objects with non-ascii reprs may cause
+        problems."""
         class Spam(object):
           def __repr__(self):
             return "\xe9"*50