Fix warning on test suite found by Clang Analyzer
Fix warning on test suite found by Clang Analyzer

test.c:2210:9: warning: Value stored to 'char_len' is never read
        char_len = 2;
        ^          ~
test.c:2921:3: warning: Value stored to 'pass' is never read
  pass &= (parsed == 0);
  ^       ~~~~~~~~~~~~~

Reviewed-By: Fedor Indutny <e39d94bae70283f13d24c278e04952d6dad9384b@indutny.com>

OpenMusicKontrollers/chimaerad,OpenMusicKontrollers/chimaerad,OpenMusicKontrollers/chimaerad,OpenMusicKontrollers/chimaerad,OpenMusicKontrollers/chimaerad,OpenMusicKontrollers/chimaerad