ref: aca5dbbb60071a002ccca83b9a02e65b660b8c3e
dir: /testdir/test7.ok/
start of test file Xxx4 this is a test this is a test end of test file Xxx start of test file Xxx1 this is a test this is a test end of test file Xxx start of test file Xxx4 this is a test this is a test end of test file Xxx