[API] Delete test2 template in between tests in case a test is not cleanup up properly

Author: estolfo

elasticsearch-api/test/integration/yaml_test_runner.rb

@@ -329,6 +329,7 @@ class YamlTestCase < ::Minitest::Test; end
     setup do
       $helper_client.indices.delete index: '_all', ignore: 404
       $helper_client.indices.delete_template name: 'test_2', ignore: 404
+      $helper_client.indices.delete_template name: 'test2', ignore: 404
       $helper_client.indices.delete_template name: 'test', ignore: 404
       $helper_client.indices.delete_template name: 'index_template', ignore: 404
       $helper_client.snapshot.delete repository: 'test_repo_create_1',  snapshot: 'test_snapshot', ignore: 404