Unskip shoryuken test

Author: sarahchen6

appraisal/jruby-10.0.rb

@@ -64,6 +64,7 @@
 appraise 'aws' do
   gem 'aws-sdk'
   gem 'shoryuken'
+  gem 'ostruct'
 end
 
 appraise 'http' do

spec/datadog/tracing/contrib/shoryuken/tracer_spec.rb

@@ -3,6 +3,7 @@
 
 require 'datadog'
 require 'shoryuken'
+require 'ostruct'
 
 RSpec.describe Datadog::Tracing::Contrib::Shoryuken::Tracer do
   let(:shoryuken_tracer) { described_class.new }
@@ -183,8 +184,6 @@ def perform(sqs_msg, body)
       # end
 
       it do
-        # TODO: JRuby 10.0 - Remove this skip after investigation.
-        skip 'Test failing for JRuby 10.0 due to missing OpenStruct' if PlatformHelpers.jruby_100?
         expect { perform_async }.to_not raise_error
         # TODO: These expectations do not work because Shoryuken doesn't run middleware in tests
         #       https://github.com/phstc/shoryuken/issues/541