PHOENIX-2349 SortOrderExpressionTest.toChar() is failing in different locale

[navis]

For example in ko.kr,

Tests run: 24, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.025 sec <<< FAILURE! - in org.apache.phoenix.expression.SortOrderExpressionTest
toChar(org.apache.phoenix.expression.SortOrderExpressionTest)  Time elapsed: 0.007 sec  <<< FAILURE!
org.junit.ComparisonFailure: expected:<12/11/01 12:00 [AM]> but was:<12/11/01 12:00 [오전]>
    at org.junit.Assert.assertEquals(Assert.java:115)
    at org.apache.phoenix.expression.SortOrderExpressionTest.evaluateAndAssertResult(SortOrderExpressionTest.java:322)
    at org.apache.phoenix.expression.SortOrderExpressionTest.evaluateAndAssertResult(SortOrderExpressionTest.java:312)
    at org.apache.phoenix.expression.SortOrderExpressionTest.toChar(SortOrderExpressionTest.java:149)