@Test void version6() {
    IndexTemplates template = storage.versionSpecificTemplates(V6_7);

    assertThat(template.version()).isEqualTo(V6_7);
    assertThat(template.autocomplete())
      .withFailMessage("Until v7.x, we delimited index and type with a colon")
      .contains("\"index_patterns\": \"zipkin:autocomplete-*\"");
  }
Unsupported, but we should test that parsing works
zipkin-storage/elasticsearch/src/test/java/zipkin2/elasticsearch/ElasticsearchSpecificTemplatesTest.java