[API] Delete 'nomatch' template to account for lack of test cleanup

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 index: 'test-weird-index*', ignore: 404
+      $helper_client.indices.delete_template name: 'nomatch', 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