[TEST] add Tests suffix

src/test/java/org/elasticsearch/discovery/DiscoveryWithServiceDisruptions.java → src/test/java/org/elasticsearch/discovery/DiscoveryWithServiceDisruptionsTests.java

@@ -75,7 +75,7 @@
  */
 @LuceneTestCase.Slow
 @ClusterScope(scope = Scope.TEST, numDataNodes = 0, transportClientRatio = 0)
-public class DiscoveryWithServiceDisruptions extends ElasticsearchIntegrationTest {
+public class DiscoveryWithServiceDisruptionsTests extends ElasticsearchIntegrationTest {
 
     private static final TimeValue DISRUPTION_HEALING_OVERHEAD = TimeValue.timeValueSeconds(40); // we use 30s as timeout in many places.