@Test void indexTemplatesUrl_1x_withPriority() {
    assertThat(VersionSpecificTemplates.forVersion(V1_3).indexTemplatesUrl("idx", "_doc", 1))
      .isEqualTo("/_index_template/idx_doc_template");
  }
Unsupported, but we should test that parsing works
zipkin-storage/elasticsearch/src/test/java/zipkin2/elasticsearch/OpensearchSpecificTemplatesTest.java