Starting TesterTest::Test with 1 test cases...
  FAIL [16] compareSaveDiagnostic() at here.cpp:349
        Files "a.txt" and "b.txt" are not the same, actual ABC but expected abc
Finished TesterTest::Test with 1 errors out of 1 checks. 1 failed checks are able to save diagnostic files, enable --save-diagnostic to get them.
