Fix tests for ruby 1.8.7

spec/rollbar/plugins/delayed_job/job_data_spec.rb

@@ -1,8 +1,21 @@
 require 'spec_helper'
-
 require 'rollbar/plugins/delayed_job/job_data'
 require 'delayed/backend/test'
 
+# In delayed_job/lib/delayed/syck_ext.rb YAML.load_dj
+# is broken cause it's defined as an instance method
+# instead of module/class method. This is breaking
+# the tests for ruby 1.8.7
+if YAML.parser.class.name =~ /syck|yecht/i
+  module YAML
+    def self.load_dj(yaml)
+      # See https://github.com/dtao/safe_yaml
+      # When the method is there, we need to load our YAML like this...
+      respond_to?(:unsafe_load) ? load(yaml, :safe => false) : load(yaml)
+    end
+  end
+end
+
 describe Rollbar::Delayed::JobData do
   describe '#to_hash' do
     let(:handler) { { 'foo' => 'bar' } }