Changed zone

Author: TetyanaYahodska

compute/cloud-client/src/test/java/compute/reservation/CrudOperationsReservationIT.java

@@ -53,7 +53,7 @@
 public class CrudOperationsReservationIT {
 
   private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
-  private static final String ZONE = "us-central1-a";
+  private static final String ZONE = "us-east4-c";
   private static ReservationsClient reservationsClient;
   private static InstancesClient instancesClient;
   private static String RESERVATION_NAME;