[9] RFR: 8134250: Create unit tests for CLDR unique features

[Naoto Sato]

Hello,

Please review the changes for the following issue:
https://bugs.openjdk.java.net/browse/JDK-8134250

It is just adding more unit testcases for the JEP 252. The proposed 
changeset is located at:

http://cr.openjdk.java.net/~naoto/8134250/webrev.00/

Naoto