[CI] Adds client options for running Serverless tests

Author: picandocodigo

elasticsearch-api/spec/yaml-test-runner/run.rb

@@ -50,6 +50,19 @@
 end
 
 options = { host: host, transport_options: transport_options, compression: true }
+if ENV['TEST_SUITE'] == 'serverless'
+  options.merge!(
+    {
+      arguments:
+        {
+          retry_on_status: [409],
+          retry_on_failure: 10,
+          delay_on_retry: 60_000,
+          request_timeout: 120
+        }
+    }
+  )
+end
 options.merge!({ api_key: ENV['ES_API_KEY'] }) if ENV['ES_API_KEY']
 CLIENT = Elasticsearch::Client.new(options)