code: def testFruchtermanReingoldGrid(self):
      g = Graph.Barabasi(100)
      for grid_opt in ["grid", "nogrid", "auto", True, False]:
          lo = g.layout("fr", miny=list(range(100)), grid=grid_opt)
          self.assertTrue(isinstance(lo, Layout))
          self.assertTrue(all(lo[i][1] >= i for i in range(100)))
  
imports: import unittest
  from math import hypot
  from igraph import Graph, Layout, BoundingBox, InternalError
  from igraph import umap_compute_weights
label_desc: Use image node_id 5 for calling the LayoutAlgorithmTests obj's underlying member method code with example usage: obj.testFruchtermanReingoldGrid() without return types