@Test void redirectsIndex() throws Exception {
    String index = get("/zipkin/index.html").body().string();

    client = new OkHttpClient.Builder().followRedirects(true).build();

    List.of("/zipkin", "/").forEach(path -> {
      try {
        assertThat(get(path).body().string()).isEqualTo(index);
      } catch (IOException e) {
        throw new UncheckedIOException(e);
      }
    });
  }
The zipkin-lens is a single-page app. This prevents reloading all resources on each click.
zipkin-server/src/test/java/zipkin2/server/internal/ui/ITZipkinUiConfiguration.java