- Fix the bug of removing group for tunnel
- Added checking if group was removed or not successfully

Change-Id: I2180db38b0023cedc418faa1dbf7328f27262d00
diff --git a/src/main/java/net/onrc/onos/apps/segmentrouting/SegmentRoutingManager.java b/src/main/java/net/onrc/onos/apps/segmentrouting/SegmentRoutingManager.java
index 492dc33..4c9c1d5 100644
--- a/src/main/java/net/onrc/onos/apps/segmentrouting/SegmentRoutingManager.java
+++ b/src/main/java/net/onrc/onos/apps/segmentrouting/SegmentRoutingManager.java
@@ -1674,7 +1674,9 @@
                 return false;
             }
             else {
-                sw13.removeGroup(route.getGroupId());
+                if (!sw13.removeGroup(route.getGroupId())) {
+                    log.warn("Tunnel {} was not removed ", tunnelId);
+                    return false;                }
             }
         }