docstr: Smoke test for radius in range [0, 1]
docstr_tok: ["Smoke","test","for","radius","in","range","[","0",",","1","]"]
code: def test_r_between_0_and_1(self):
      """Smoke test for radius in range [0, 1]"""
      # q=0 means no long-range connections
      G = nx.navigable_small_world_graph(
          3, p=1, q=0, r=0.5, dim=2, seed=42
      )
      expected = nx.grid_2d_graph(3, 3, create_using=nx.DiGraph)
      assert nx.utils.graphs_equal(G, expected)
  
imports: import math
  import random
  from itertools import combinations
  import pytest
  import networkx
label_desc: Use image node_id 5 for calling the TestNavigableSmallWorldGraph obj's underlying member method code with example usage: obj.test_r_between_0_and_1() without return types