code: def test_javascript_hrefs_sanitized(self):
      self.assertEqual(
          plugin_util.safe_html(
              'A <a href="javascript:void0">sketchy link</a> for you'
          ),
          "A <a>sketchy link</a> for you",
      )
  
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 4 for calling the SafeHTMLTest obj's underlying member method code with example usage: obj.test_javascript_hrefs_sanitized() without return types