@Test
  void encodeSlashTest() {
    RequestTemplate template =
        new RequestTemplate().method(HttpMethod.GET).uri("/api/{vhost}").decodeSlash(false);

    template = template.resolve(mapOf("vhost", "/"));

    assertThat(template).hasUrl("/api/%2F");
  }
This ensures we don't mess up vnd types
core/src/test/java/feign/RequestTemplateTest.java