feature: support reactive discovery client health indicator.

spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/discovery/reactive/PolarisReactiveDiscoveryClientConfigurationTest.java

@@ -36,7 +36,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 /**
  * Test for {@link PolarisReactiveDiscoveryClientConfiguration}.
  *
- * @author Haotian Zhang
+ * @author Haotian Zhang, youta
  */
 public class PolarisReactiveDiscoveryClientConfigurationTest {
 
@@ -65,11 +65,18 @@ public class PolarisReactiveDiscoveryClientConfigurationTest {
 		}
 	}
 
+
 	@Test
 	public void testDefaultInitialization() {
 		this.contextRunner.run(context -> assertThat(context).hasSingleBean(PolarisReactiveDiscoveryClient.class));
 	}
 
+	@Test
+	public void shouldWorkWithDefaults() {
+		contextRunner.run(context -> assertThat(context).hasBean("polarisReactiveDiscoveryClientHealthIndicator"));
+	}
+
+
 	@Configuration
 	@EnableAutoConfiguration
 	static class PolarisReactiveDiscoveryClientConfiguration {