@Override
        public void configureAuthenticationExecutionPlan(final AuthenticationEventExecutionPlan plan) {
            val handler = new SimpleTestUsernamePasswordAuthenticationHandler();
            handler.putAttributes(CoreAuthenticationTestUtils.getAttributes());
            handler.putAttribute("family_name", List.of("Apereo"))
                .putAttribute("given_name", List.of("CAS"))
                .putAttribute("email", List.of("cas@apereo.org"));
            plan.registerAuthenticationHandler(handler);
        }
This is {@link OidcUsernamePasswordAuthenticatorTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/authn/OidcUsernamePasswordAuthenticatorTests.java