code: def test_page_draggable_layout_unique_chart_id():
      page1 = _get_new_page()
      html1 = page1.save_resize_html(
          source=page1.render(), cfg_dict=LAYOUT_DICT
      )
  
      page2 = _get_new_page()
      html2 = page2.save_resize_html(
          source=page2.render(), cfg_dict=LAYOUT_DICT
      )
  
      assert_not_equal(html1, html2)
  
imports: from typing import Iterable
  from nose.tools import assert_equal, assert_in, assert_not_equal, assert_not_in, assert_true, raises
  from pyecharts.charts import Bar, Line, Page
  from pyecharts.commons.utils import OrderedSet
  from pyecharts.globals import ThemeType
  from pyecharts.components import Table
  from pyecharts import options
  from pyecharts.faker import Faker
label_desc: Use image node_id 12 for calling a global function with example usage: test_page_draggable_layout_unique_chart_id() without return types