code: def test_subheader_display(
      app: Page, assert_snapshot: ImageCompareFunction
  ):
      """Test that st.subheader renders correctly with dividers."""
      subheader_elements = app.locator(".stHeadingContainer")
      expect(subheader_elements).to_have_count(16)
  
      for i, element in enumerate(subheader_elements.all()):
          if i > 7:
              assert_snapshot(element, name=f"subheader-divider-{i}")
  
imports: from playwright.sync_api import Page, expect
  from e2e_playwright.conftest import ImageCompareFunction
label_desc: Use image node_id 2 for calling a global function with example usage: test_subheader_display(app, assert_snapshot) without return types