Get rid of the "failure #23" style messages in CppunitTest_sal_rtl_textenc
Get rid of the "failure #23" style messages in CppunitTest_sal_rtl_textenc

While at it, print the character values in assertion messages in hex, not
decimal.

Change-Id: I61a5efca0a800ea295afc81e2b2f234844428b1c

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core