[VOL-2694] Use package specific logger instance in all log statements

Change-Id: Icf1cb5ade42e42179aed7731b767af2f52481e3d
diff --git a/rw_core/flowdecomposition/flow_decomposer_test.go b/rw_core/flowdecomposition/flow_decomposer_test.go
index 002c3a2..0b18e6e 100644
--- a/rw_core/flowdecomposition/flow_decomposer_test.go
+++ b/rw_core/flowdecomposition/flow_decomposer_test.go
@@ -891,7 +891,7 @@
 }
 
 func TestUnicastDownstreamRuleDecomposition(t *testing.T) {
-	log.Debugf("Starting Test Unicast Downstream")
+	logger.Debugf("Starting Test Unicast Downstream")
 	fa1 := &fu.FlowArgs{
 		KV: fu.OfpFlowModArgs{"priority": 500, "table_id": 0},
 		MatchFields: []*ofp.OfpOxmOfbField{