@Test
public void testRemoveInvalidServer()
    throws Exception
{

    insertNodeInNodeMap( getServerNode() );
    ServerRestService serverRestService = new ServerRestService();
    Response response = serverRestService.removeServer( "N" + getDateTimeStamp() );
    assertNotNull( response );
    assertTrue( response.getStatus() == Response.Status.BAD_REQUEST.getStatusCode() );
    // delete the backup file
    HmsGenericUtil.deleteLatestInventoryBackup();
}