updated executing environment for unittest on JDK7
updated executing environment for unittest on JDK7

o3project/odenos,nis-sdn/odenos,haizawa/odenos,nis-sdn/odenos,o3project/odenos,o3project/odenos,o3project/odenos,haizawa/odenos,nis-sdn/odenos,haizawa/odenos,haizawa/odenos,haizawa/odenos,nis-sdn/odenos,o3project/odenos,nis-sdn/odenos