private static File saveKeyStore(String prefix, KeyStoreSupplier func) throws Exception {
		File result = File.createTempFile(prefix, ".p12");
		result.deleteOnExit();

		try (OutputStream output = new FileOutputStream(result)) {
			KeyStore store = func.createKeyStore();
			store.store(output, KEY_STORE_PASSWORD.toCharArray());
		}
		return result;
	}
Already proved this in waitForRegistration(). Keep this Test to express test
purpose explicitly.
spring-cloud-netflix-eureka-client-tls-tests/src/test/java/org/springframework/cloud/netflix/eureka/BaseCertTests.java