Cosmetic checkstyle fixes

Change-Id: Ie1536f4340103ce8600e7e01104135cb847e8eab
diff --git a/providers/netconf/device/src/test/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProviderTest.java b/providers/netconf/device/src/test/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProviderTest.java
index 2571b88..0f98977 100644
--- a/providers/netconf/device/src/test/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProviderTest.java
+++ b/providers/netconf/device/src/test/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProviderTest.java
@@ -307,7 +307,7 @@
     }
 
     private void prepareMocks(int count) {
-        for(int i = 1; i <= count; i++) {
+        for (int i = 1; i <= count; i++) {
             deviceDescription.portDescriptions.add(new DefaultPortDescription(PortNumber.portNumber(i), true));
         }
     }
@@ -332,7 +332,7 @@
 
         @Override
         public void disconnectDevice(DeviceId deviceId, boolean remove) {
-            netconfDeviceListeners.forEach( l -> l.deviceRemoved(deviceId));
+            netconfDeviceListeners.forEach(l -> l.deviceRemoved(deviceId));
         }
     }