QA output created by 150

=== Comparing empty image against sparse conversion ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
Equal image size

=== Comparing full image against non-sparse conversion ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
wrote 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Equal image size
*** done