@Test
void convertAuthenticationExtensionsToString_test() {

    AuthenticationExtensionsClientInputs.BuilderForAuthentication builder = new AuthenticationExtensionsClientInputs.BuilderForAuthentication();
    builder.setAppid("test");
    AuthenticationExtensionsClientInputs<AuthenticationExtensionClientInput> extensions = builder.build();
    assertThat(authenticationExtensionsClientInputsConverter.convertToString(extensions)).isEqualTo("{\"appid\":\"test\"}");
}