Ignore JRuby's stdlib debug trying to compare a nil SAFE level

Author: jeremy

test/test_helper.rb

@@ -2,10 +2,7 @@
 require 'marcel'
 require 'pathname'
 
-begin
-  require 'debug'
-rescue LoadError
-end
+require 'debug' rescue nil
 
 class Marcel::TestCase < Minitest::Test
   class << self