add ut

spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerGatewayIntegrationTest.java

@@ -48,6 +48,7 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.test.autoconfigure.web.reactive.AutoConfigureWebTestClient;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.cloud.contract.wiremock.AutoConfigureWireMock;
+import org.springframework.cloud.gateway.filter.factory.SpringCloudCircuitBreakerFilterFactory;
 import org.springframework.cloud.gateway.route.RouteLocator;
 import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
 import org.springframework.context.ApplicationContext;
@@ -102,6 +103,8 @@ public class PolarisCircuitBreakerGatewayIntegrationTest {
 
 	@Test
 	public void fallback() throws Exception {
+		SpringCloudCircuitBreakerFilterFactory.Config config = new SpringCloudCircuitBreakerFilterFactory.Config();
+		applicationContext.getBean(PolarisCircuitBreakerFilterFactory.class).apply(config).toString();
 
 		webClient
 				.get().uri("/err")