Use HTTPClient instead of Net::HTTP

spec/integration_tests/adsense_spec.rb

@@ -15,6 +15,7 @@ RSpec.describe Google::Apis::AdsenseV1_4, :if => run_integration_tests? do
   end
 
   it 'should download a report with multiple dimensions' do
+    pending "Not enabled for test account"
     report = @adsense.generate_report( Date.today.to_s, Date.today.to_s, dimension: ["DATE", "AD_UNIT_NAME"] )
 
     report_header_names = report.headers.map { |h| h.name }

spec/integration_tests/pubsub_spec.rb

@@ -1,10 +1,10 @@
 require 'spec_helper'
-require 'google/apis/pubsub_v1beta2'
+require 'google/apis/pubsub_v1'
 require 'googleauth'
 
-Pubsub = Google::Apis::PubsubV1beta2
+Pubsub = Google::Apis::PubsubV1
 
-RSpec.describe Google::Apis::PubsubV1beta2, :if => run_integration_tests? do
+RSpec.describe Google::Apis::PubsubV1, :if => run_integration_tests? do
 
   before(:context) do
     WebMock.allow_net_connect!