spec/support/config.rb in rambling-trie-1.0.3 vs spec/support/config.rb in rambling-trie-2.0.0

@@ -1,9 +1,15 @@
+# frozen_string_literal: true
+
 require_relative 'helpers/add_word'
+require_relative 'helpers/one_line_heredoc'
 
 RSpec.configure do |c|
   c.before do
     Rambling::Trie.config.reset
   end
 
   c.include Support::Helpers::AddWord
+  c.include Support::Helpers::OneLineHeredoc
+
+  RSpec::Matchers.define_negated_matcher :not_change, :change
 end