CI is green despite sample failures

[eleftherias]

Consider the recent CI run: https://github.com/spring-projects/spring-security-samples/runs/4504477599

The SAML2 Login sample failed during this run, but the CI remained green.

Error:

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration': Unsatisfied dependency expressed through method 'setFilterChains' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'app' defined in class path resource [example/SecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.web.SecurityFilterChain]: Factory method 'app' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'relyingPartyRegistrationRepository' defined in class path resource [example/SecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository]: Factory method 'relyingPartyRegistrationRepository' threw exception; nested exception is org.springframework.security.saml2.Saml2Exception: java.net.ConnectException: Connection timed out (Connection timed out)