test/base/test_directed_graph.rb in nanoc-4.4.5 vs test/base/test_directed_graph.rb in nanoc-4.4.6

@@ -1,4 +1,6 @@
+require 'helper'
+
 class Nanoc::Int::DirectedGraphTest < Nanoc::TestCase
   def test_direct_predecessors
     graph = Nanoc::Int::DirectedGraph.new([1, 2, 3])
     graph.add_edge(1, 2)
     graph.add_edge(2, 3)