QA output created by 126

=== Testing plain files ===

Formatting 'TEST_DIR/a:b.IMGFMT', fmt=IMGFMT size=67108864
Formatting 'file:TEST_DIR/a:b.IMGFMT', fmt=IMGFMT size=67108864

=== Testing relative backing filename resolution ===

Formatting 'TEST_DIR/image:base.IMGFMT', fmt=IMGFMT size=67108864
Formatting 'TEST_DIR/image:top.IMGFMT', fmt=IMGFMT size=67108864 backing_file=./image:base.IMGFMT backing_fmt=IMGFMT
image: TEST_DIR/image:top.IMGFMT
file format: IMGFMT
virtual size: 64 MiB (67108864 bytes)
backing file: ./image:base.IMGFMT (actual path: TEST_DIR/./image:base.IMGFMT)

Formatting 'base.IMGFMT', fmt=IMGFMT size=67108864
Formatting 'file:image:top.IMGFMT', fmt=IMGFMT size=67108864 backing_file=base.IMGFMT backing_fmt=IMGFMT
image: ./image:top.IMGFMT
file format: IMGFMT
virtual size: 64 MiB (67108864 bytes)
backing file: base.IMGFMT (actual path: ./base.IMGFMT)
*** done