filter IMGFMT correctly in 019

Test 019 can be run with qcow2 and qed image formats.  Replace the
specific image format value with "IMGFMT" so the golden output does not
hardcode qcow2 or qed.

This patch also includes a typo fix for "occurrences".

Signed-off-by: Stefan Hajnoczi <>
Signed-off-by: Christoph Hellwig <>
3 files changed