Update driver-core/src/test/java/com/datastax/driver/core/HostResolut…

…ionReconnectionTest.java

Co-authored-by: Dmitry Kropachev <dmitry.kropachev@gmail.com>

driver-core/src/test/java/com/datastax/driver/core/HostResolutionReconnectionTest.java

@@ -15,7 +15,7 @@ public class DnsEndpointTests {
   private static final Logger logger =
       LoggerFactory.getLogger(HostResolutionReconnectionTest.class);
 
-  @Test(groups = "isolated")
+  @Test(groups = "long")
   public void replace_cluster_test() {
     // Configure host resolution
     Map<String, String> hostAliasesA = new LinkedHashMap<>();