public static Assertion getAssertion(final RegisteredService registeredService) {
        return getAssertion(false, CONST_NO_PRINCIPALS, registeredService);
    }
This is {@link CoreValidationTestUtils}.

@author Misagh Moayyed
@since 4.2.0
core/cas-server-core-validation/src/test/java/org/apereo/cas/CoreValidationTestUtils.java