code: def test_sanitizes_combination_result(self):
      inputs = ["safe"]
      combine = lambda xs: "<script>alert('unsafe!')</script>%s" % xs[0]
      actual = plugin_util.markdowns_to_safe_html(inputs, combine)
      expected = (
          "&lt;script&gt;alert('unsafe!')&lt;/script&gt;<p>safe</p>"
      )
      self.assertEqual(actual, expected)
  
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 2 for calling the MarkdownsToSafeHTMLTest obj's underlying member method code with example usage: obj.test_sanitizes_combination_result() without return types