@BeforeEach
    void setUp() {
        client = WebClient.builder(newUrl("h2c", server.activeLocalPort()))
                          .responseTimeoutMillis(TIMEOUT_MILLIS)
                          .maxResponseLength(0)
                          .build();
        settableHealth.setHealth(Health.up().build());
    }
This uses {@link com.linecorp.armeria.spring.ArmeriaAutoConfiguration} for integration tests.
{@code application-autoConfTest.yml} will be loaded with minimal settings to make it work.
spring/boot3-actuator-autoconfigure/src/test/java/com/linecorp/armeria/spring/actuate/ArmeriaSpringActuatorAutoConfigurationTest.java