code: def test_shows_left_and_right_graph(app: Page):
      """Test if it shows left and right graph."""
  
      expect(
          app.locator(".stGraphVizChart > svg > g > title").nth(3)
      ).to_have_text("Left")
      expect(
          app.locator(".stGraphVizChart > svg > g > title").nth(4)
      ).to_have_text("Right")
  
file_path: streamlit/e2e_playwright/st_graphviz_chart_test.py
imports: from playwright.sync_api import Page, expect
  from e2e_playwright.conftest import ImageCompareFunction, wait_for_app_run
label_desc: Use image node_id 4 for calling a global function with example usage: test_shows_left_and_right_graph(app) without return types