Use typhoeus.

Signed-off-by: dblock <dblock@amazon.com>

Gemfile

@@ -64,7 +64,7 @@ if ENV.key?('FARADAY_VERSION')
   gem 'httpclient'
   gem 'net-http-persistent'
   gem 'patron' unless defined? JRUBY_VERSION
-  gem 'typhoeus'
+  gem 'typhoeus', '~> 1.4'
 else
   gem 'faraday-httpclient'
   gem 'faraday-net_http_persistent'

spec/opensearch/transport/client_spec.rb

@@ -1762,48 +1762,53 @@
         end
       end
 
-      context 'when patron is used as an adapter', unless: jruby? do
+      context 'when typhoeus is used as an adapter', unless: jruby? do
         before do
-          require 'patron'
+          require 'typhoeus'
         end
 
         let(:options) do
-          { adapter: :patron }
+          { adapter: :typhoeus }
         end
 
         let(:adapter) do
           client.transport.connections.first.connection.builder.adapter
         end
 
-        it 'uses the patron connection handler' do
-          expect(adapter).to eq('Faraday::Adapter::Patron')
+        it 'uses the typhoeus connection handler' do
+          expect(adapter).to eq('Faraday::Adapter::Typhoeus')
         end
 
         it 'keeps connections open' do
+          puts 'Testing with _cat/health'
+          puts client.perform_request('GET', '_cat/health')
+          puts 'Performing GET _nodes/stats/http'
           response = client.perform_request('GET', '_nodes/stats/http')
           connections_before = response.body['nodes'].values.find { |n| n['name'] == node_names.first }['http']['total_opened']
+          puts 'Start reloading connections'
           client.transport.reload_connections!
+          puts 'Connections reloaded'
           response = client.perform_request('GET', '_nodes/stats/http')
           connections_after = response.body['nodes'].values.find { |n| n['name'] == node_names.first }['http']['total_opened']
           expect(connections_after).to be >= (connections_before)
         end
       end
 
-      context 'when typhoeus is used as an adapter', unless: jruby? do
+      context 'when patron is used as an adapter', unless: jruby? do
         before do
-          require 'typhoeus'
+          require 'patron'
         end
 
         let(:options) do
-          { adapter: :typhoeus }
+          { adapter: :patron }
         end
 
         let(:adapter) do
           client.transport.connections.first.connection.builder.adapter
         end
 
         it 'uses the patron connection handler' do
-          expect(adapter).to eq('Faraday::Adapter::Typhoeus')
+          expect(adapter).to eq('Faraday::Adapter::Patron')
         end
 
         it 'keeps connections open' do