@Test
    void verifyNullService() throws Throwable {
        assertNotNull(strategy.resolveServiceFrom(mock(Service.class)));
    }
This is {@link OAuth20AuthenticationServiceSelectionStrategyTests}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-oauth/src/test/java/org/apereo/cas/support/oauth/services/OAuth20AuthenticationServiceSelectionStrategyTests.java