@Test void version78_legacy() {
    IndexTemplates template = storage.versionSpecificTemplates(V7_8);

    assertThat(template.version()).isEqualTo(V7_8);
    assertThat(template.autocomplete())
      .withFailMessage("Starting at v7.x, we delimit index and type with hyphen")
      .contains("\"index_patterns\": \"zipkin-autocomplete-*\"");
    assertThat(template.span())
      .doesNotContain("\"template\": {\n")
      .doesNotContain("\"priority\": 0\n");
    assertThat(template.autocomplete())
      .doesNotContain("\"template\": {\n")
      .doesNotContain("\"priority\": 0\n");
    assertThat(template.dependency())
      .doesNotContain("\"template\": {\n")
      .doesNotContain("\"priority\": 0\n");
  }
Unsupported, but we should test that parsing works
zipkin-storage/elasticsearch/src/test/java/zipkin2/elasticsearch/ElasticsearchSpecificTemplatesTest.java