@Test
	void securePortUnderscores() {
		TestPropertyValues.of("eureka.instance.secure-port-enabled=true").applyTo(this.context);
		addSystemEnvironment(this.context.getEnvironment(), "SERVER_PORT:8443");
		setupContext();
		assertThat(getInstanceConfig().getSecurePort()).isEqualTo(8443);
	}
@author Spencer Gibb
@author Matt Jenkins
@author Olga Maciaszek-Sharma
@author Tim Ysewyn
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/EurekaClientAutoConfigurationTests.java