code: def test_arrow_vega_lite_chart(app: Page):
      """Tests that it displays charts on the DOM"""
      arrow_vega_lite_charts = app.get_by_test_id(
          "stArrowVegaLiteChart"
      )
      expect(arrow_vega_lite_charts).to_have_count(13)
  
      for idx in range(13):
          chart = arrow_vega_lite_charts.nth(idx)
          canvas = chart.locator("canvas").nth(0)
          expect(canvas).to_be_visible()
          expect(canvas).to_have_class("marks")
  
file_path: streamlit/e2e_playwright/st_arrow_vega_lite_chart_test.py
imports: from playwright.sync_api import Page, expect
  from e2e_playwright.conftest import ImageCompareFunction
label_desc: Use image node_id 1 for calling a global function with example usage: test_arrow_vega_lite_chart(app) without return types