Switching back to snapshot 1.4.0-SNAPSHOT

Change-Id: Ic0ff8fe27d46b0662f596db9185591736efa6cf9
diff --git a/tools/test/topos/onos.py b/tools/test/topos/onos.py
index 9e49276..f9d4ba2 100755
--- a/tools/test/topos/onos.py
+++ b/tools/test/topos/onos.py
@@ -62,7 +62,7 @@
    
     def start( self ):
         if self.inNamespace:
-            instanceOpts = ( '-furl mvn:org.onosproject/onos-features/1.4.0-rc2/xml/features '
+            instanceOpts = ( '-furl mvn:org.onosproject/onos-features/1.4.0-SNAPSHOT/xml/features '
                              '-s 8101' )
             if self.ip is not None:
                 instanceOpts += (' -a %s' % self.IP() )