Temporarily disable testSSHAuthentication() due to long test

Change-Id: Ic260d9c0b7e164b3ca4ae70bf410178ac8d33358
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 7667cc9..4fa9644 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
@@ -34,6 +34,7 @@
 import org.easymock.EasyMock;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.onlab.packet.ChassisId;
 import org.onosproject.cfg.ComponentConfigService;
@@ -178,6 +179,7 @@
         return dictionary;
     }
 
+    @Ignore
     @Test(expected = IOException.class)
     public void testSSHAuthentication() throws IOException, JNCException {
         TestDeviceCreator objForTestDev = new TestDeviceCreator(