code: def test_unicode_strings_passed_through(self):
      s = "> Look\u2014some UTF-8!"
      assert not isinstance(s, bytes), (type(s), bytes)
      self._test(
          s, "<blockquote>\n<p>Look\u2014some UTF-8!</p>\n</blockquote>"
      )
  
imports: import textwrap
  from tensorboard import context
  from tensorboard import plugin_util
  from tensorboard import test
  from tensorboard.backend import experiment_id
label_desc: Use image node_id 9 for calling the MarkdownToSafeHTMLTest obj's underlying member method code with example usage: obj.test_unicode_strings_passed_through() without return types