@Test
  void bodyWithoutParameters() throws Exception {
    final MethodMetadata md = parseAndValidateMetadata(BodyWithoutParameters.class, "post");

    assertThat(md.template()).hasBody("<v01:getAccountsListOfUser/>");
  }
Tests interfaces defined per {@link Contract.Default} are interpreted into expected {@link feign
.RequestTemplate template} instances.
core/src/test/java/feign/DefaultContractTest.java