Test mkcw-commit flakes sometimes

[flouthoc]

[+1099s] not ok 687 mkcw-commit
[+1099s] # (from function `mkcw_check_image' in file ./mkcw.bats, line 46,
[+1099s] #  in test file ./mkcw.bats, line 95)
[+1099s] #   `mkcw_check_image $(< $iidfile)' failed with status 5
[+1099s] # /var/tmp/go/src/github.com/containers/buildah/tests /var/tmp/go/src/github.com/containers/buildah/tests
[+1099s] # # [checking for: quay.io/libpod/testimage:20221018]
[+1099s] # # [restoring from cache: /var/tmp/bats-run-Mx2mkj/suite/buildah-image-cache / quay.io/libpod/testimage:20221018]
[+1099s] # Getting image source signatures
[+1099s] # Copying blob sha256:578f06cc66c59303d36e0c83b8c7fd9b2da35cca97118700cb4a373677c01dca
[+1099s] # Copying blob sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4
[+1099s] # Copying config sha256:f5a99120db6452661930a1db3bf7390eec9b963f5f62c068fa32dc1d550afad3
[+1099s] # Writing manifest to image destination
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah from quay.io/libpod/testimage:20221018
[+1099s] # testimage-working-container
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah commit --iidfile /var/tmp/buildah_tests.gpd7bt/iid --cw type=SEV,ignore_attestation_errors,passphrase=mkcw commit AabjwfKGx1 testimage-working-container
[+1099s] # time="2025-02-10T13:54:43-06:00" level=warning msg="retrieving SEV certificate chain: sevctl: exec: \"sevctl\": executable file not found in $PATH"
[+1099s] # Getting image source signatures
[+1099s] # Copying blob sha256:34f7484c3257082362c2f36b94d9d2405b388945e6fd5e2c4a49ba6caf1efa21
[+1099s] # Copying config sha256:6f763ea6984081c3ae110db55b221633e4ba8e47e92dc7177584febeacc1d1b5
[+1099s] # Writing manifest to image destination
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah from sha256:6f763ea6984081c3ae110db55b221633e4ba8e47e92dc7177584febeacc1d1b5
[+1099s] # 6f763ea69840-working-container
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah mount 6f763ea69840-working-container
[+1099s] # /var/tmp/buildah_tests.gpd7bt/root/overlay/0e2cf891135963e905341cd739d623cd694026d328feafdc83a5b57586ba1eec/merged
[+1099s] # 4cac57101893b216e712d5fad9a020e50d6521f6a0023d3cf00e8655bbc80baa
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah commit --iidfile /var/tmp/buildah_tests.gpd7bt/iid --cw type=sev,ignore_attestation_errors,passphrase=mkcw commit AabjwfKGx1 testimage-working-container
[+1099s] # time="2025-02-10T13:54:49-06:00" level=warning msg="retrieving SEV certificate chain: sevctl: exec: \"sevctl\": executable file not found in $PATH"
[+1099s] # Getting image source signatures
[+1099s] # Copying blob sha256:6168d5f0057ee56f1698e12a6a0125f32dc4a63b552f833d0382d6584fc6ccf9
[+1099s] # Copying config sha256:56f25e4370a3d21c8c851535eae0561271cc145536f4b7e7077aa65b3695438d
[+1099s] # Writing manifest to image destination
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah from sha256:56f25e4370a3d21c8c851535eae0561271cc145536f4b7e7077aa65b3695438d
[+1099s] # 56f25e4370a3-working-container
[+1099s] # # /var/tmp/go/src/github.com/containers/buildah/tests/./../bin/buildah mount 56f25e4370a3-working-container
[+1099s] # /var/tmp/buildah_tests.gpd7bt/root/overlay/508cd6608a41b461ce43bb015ccda9572755c5a15ab60f1d8316baa0b591286e/merged
[+1099s] # Device 5d2ea557-f97e-4a36-a8e6-6996cf68449e is still in use.
[+1099s] # umount: /var/tmp/buildah_tests.gpd7bt/root/overlay/508cd6608a41b461ce43bb015ccda9572755c5a15ab60f1d8316baa0b591286e/merged: target is busy.
[+1099s] # umount: /var/tmp/buildah_tests.gpd7bt/root/overlay: target is busy.
[+1099s] # rm: cannot remove '/var/tmp/buildah_tests.gpd7bt/root/overlay/508cd6608a41b461ce43bb015ccda9572755c5a15ab60f1d8316baa0b591286e/merged': Device or resource busy

[flouthoc]

Last instance https://cirrus-ci.com/task/4590779194146816?logs=integration_test#L1063