tests: added test if CP1255-UTF8-CP1255 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42021 4005530d-fff6-0310-9dd1-cebe43e6787f
lazutils: made codepage conversion 1255 to UTF8 and back to 1255 lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42022 4005530d-fff6-0310-9dd1-cebe43e6787f
tests: added test if 8859-1-UTF8-8859-1 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42023 4005530d-fff6-0310-9dd1-cebe43e6787f
tests: added test if 8859-15-UTF8-8859-15 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42024 4005530d-fff6-0310-9dd1-cebe43e6787f
tests: added test if 8859-2-UTF8-8859-2 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42025 4005530d-fff6-0310-9dd1-cebe43e6787f
tests: added test if CP433-UTF8-CP433 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42026 4005530d-fff6-0310-9dd1-cebe43e6787f
tests: added test if CP433-UTF8-CP433 is lossless

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42027 4005530d-fff6-0310-9dd1-cebe43e6787f