QA output created by 178
Create the original files
bc3d7c2ff64219e33239f2e13c2d21db  TEST_DIR/test-178/file1
bc3d7c2ff64219e33239f2e13c2d21db  TEST_DIR/test-178/file2
Write and punch
Compare results
bc3d7c2ff64219e33239f2e13c2d21db  TEST_DIR/test-178/file1
95cfd19ce56010430dc2057413d7efc5  TEST_DIR/test-178/file2