use etc/hazelcast.xml + modifications when creating HZ for testing

Change-Id: I92d554d2e8c696780c3a2fab2accdab396a3805b
diff --git a/core/store/src/main/java/org/onlab/onos/store/device/impl/DistributedDeviceStore.java b/core/store/src/main/java/org/onlab/onos/store/device/impl/DistributedDeviceStore.java
index 52e8ed0..d73dd9e 100644
--- a/core/store/src/main/java/org/onlab/onos/store/device/impl/DistributedDeviceStore.java
+++ b/core/store/src/main/java/org/onlab/onos/store/device/impl/DistributedDeviceStore.java
@@ -110,6 +110,7 @@
 
     @Deactivate
     public void deactivate() {
+
         log.info("Stopped");
     }
 
diff --git a/core/store/src/main/java/org/onlab/onos/store/impl/StoreManager.java b/core/store/src/main/java/org/onlab/onos/store/impl/StoreManager.java
index 77463fd..abd8ade 100644
--- a/core/store/src/main/java/org/onlab/onos/store/impl/StoreManager.java
+++ b/core/store/src/main/java/org/onlab/onos/store/impl/StoreManager.java
@@ -45,7 +45,7 @@
 @Service
 public class StoreManager implements StoreService {
 
-    private static final String HAZELCAST_XML_FILE = "etc/hazelcast.xml";
+    protected static final String HAZELCAST_XML_FILE = "etc/hazelcast.xml";
 
     private final Logger log = LoggerFactory.getLogger(getClass());