code: def test_cell_id_is_not_random():
      id1 = new_code_cell().id
      id2 = new_code_cell().id
  
      n1 = int(id1.split("-")[1])
      n2 = int(id2.split("-")[1])
      assert n2 == n1 + 1
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_cell_id_is_not_random() without return types