@Test
  void deleteWithRequestBody() throws JSONException {
    final TestInterface api =
        newBuilder().target(TestInterface.class, "https://nghttp2.org/httpbin/");
    String result = api.deleteWithBody();
    String expected = "{ \"data\":\"some request body\" }";
    JSONAssert.assertEquals(expected, result, false);
  }
Tests client-specific behavior, such as ensuring Content-Length is sent when specified.
java11/src/test/java/feign/http2client/test/Http2ClientTest.java