code: def test_grid_graph():
      embedding_data = {
          (0, 1): [(0, 0), (1, 1), (0, 2)],
          (1, 2): [(1, 1), (2, 2), (0, 2)],
          (0, 0): [(0, 1), (1, 0)],
          (2, 1): [(2, 0), (2, 2), (1, 1)],
          (1, 1): [(2, 1), (1, 2), (0, 1), (1, 0)],
          (2, 0): [(1, 0), (2, 1)],
          (2, 2): [(1, 2), (2, 1)],
          (1, 0): [(0, 0), (2, 0), (1, 1)],
          (0, 2): [(1, 2), (0, 1)],
      }
      check_embedding_data(embedding_data)
  
imports: import math
  import pytest
  import networkx
  from networkx.algorithms.planar_drawing import triangulate_embedding
label_desc: Use image node_id 4 for calling a global function with example usage: test_grid_graph() without return types