add methods to directly set MacAddress

Change-Id: Idab9dce493927d8943789177830df630f3b1326a
diff --git a/providers/openflow/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java b/providers/openflow/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
index 9205517..d227116 100644
--- a/providers/openflow/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
+++ b/providers/openflow/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
@@ -213,8 +213,8 @@
             Ethernet eth = new Ethernet();
             eth.setEtherType(Ethernet.TYPE_ARP)
             .setVlanID(VLAN.toShort())
-            .setSourceMACAddress(MAC.toBytes())
-            .setDestinationMACAddress(BCMAC.getAddress())
+            .setSourceMACAddress(MAC)
+            .setDestinationMACAddress(BCMAC)
             .setPayload(arp);
 
             return eth;