Fix test naming.

Author: OlgaMaciaszek

spring-cloud-loadbalancer/src/test/java/org/springframework/cloud/loadbalancer/core/RoundRobinLoadBalancerTest.java renamed to spring-cloud-loadbalancer/src/test/java/org/springframework/cloud/loadbalancer/core/RoundRobinLoadBalancerTests.java

@@ -35,7 +35,7 @@
 /**
  * @author Zhuozhi JI
  */
-class RoundRobinLoadBalancerTest {
+class RoundRobinLoadBalancerTests {
 
 	@Test
 	void shouldOrderEnforcedWhenPositive() {