fix review

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/config/properties/PolarisMetadataRouterPropertiesTest.java

@@ -48,6 +48,7 @@ public class PolarisMetadataRouterPropertiesTest {
 
 	@Test
 	public void testToString() {
-		System.out.println(properties);
+		assertThat(properties.toString())
+				.isEqualTo("PolarisMetadataRouterProperties{enabled=true}");
 	}
 }

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/config/properties/PolarisNearByRouterPropertiesTest.java

@@ -50,6 +50,7 @@ public class PolarisNearByRouterPropertiesTest {
 
 	@Test
 	public void testToString() {
-		System.out.println(properties);
+		assertThat(properties.toString())
+				.isEqualTo("PolarisNearByRouterProperties{enabled=true}");
 	}
 }

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/config/properties/PolarisRuleBasedRouterPropertiesTest.java

@@ -48,7 +48,8 @@ public class PolarisRuleBasedRouterPropertiesTest {
 
 	@Test
 	public void testToString() {
-		System.out.println(properties);
+		assertThat(properties.toString())
+				.isEqualTo("PolarisNearByRouterProperties{enabled=true}");
 	}
 
 }

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/resttemplate/PolarisLoadBalancerRequestTests.java

@@ -52,7 +52,6 @@ public class PolarisLoadBalancerRequestTests {
 
 		@Override
 		public Object apply(ServiceInstance instance) throws Exception {
-			System.out.println("Mock LoadBalancerRequest");
 			return instance;
 		}
 	}