tests.traversal.test_breadthfirst.test_bfs_search_for_nonexistent

tests.traversal.test_breadthfirst.test_bfs_search_for_nonexistent#

tests.traversal.test_breadthfirst.test_bfs_search_for_nonexistent(graph_clrs09_22_6)#

Ensure we don’t find a vertex that doesn’t exist.