class_docstr: Test ability to marshall header protos.
docstr: Test st.header with hidden anchor.
docstr_tok: ["Test","st.header","with","hidden","anchor","."]
code: def test_st_header_with_hidden_anchor(self):
      """Test st.header with hidden anchor."""
      st.header("some header", anchor=False)
  
      el = self.get_delta_from_queue().new_element
      self.assertEqual(el.heading.body, "some header")
      self.assertEqual(el.heading.tag, "h2")
      self.assertEqual(el.heading.anchor, "")
      self.assertTrue(el.heading.hide_anchor, True)
      self.assertFalse(el.heading.divider)
  
imports: import pytest
  import streamlit
  from streamlit.errors import StreamlitAPIException
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 3 for calling the StHeaderTest obj's underlying member method code with example usage: obj.test_st_header_with_hidden_anchor() without return types