This appears to be the extent of the impact:

./vault/src/tests/bundles/xenial-ha-mysql.yaml:    charm: vault
./vault/src/tests/bundles/xenial-mysql.yaml:    charm: vault
./vault/src/tests/bundles/focal-mysql8.yaml:    charm: vault
./swift-proxy/tests/bundles/xenial-pike.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-rocky.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-queens.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/xenial-queens.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-stein.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/xenial-mitaka.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/focal-ussuri.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/xenial-ocata.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/trusty-mitaka.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-train-gr-r1.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-train-gr-r2.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-train.yaml:    charm: swift-proxy
./swift-proxy/tests/bundles/bionic-ussuri.yaml:    charm: swift-proxy
./swift-storage/tests/bundles/xenial-pike.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-rocky.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-queens.yaml:    charm: swift-storage
./swift-storage/tests/bundles/xenial-queens.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-stein.yaml:    charm: swift-storage
./swift-storage/tests/bundles/xenial-mitaka.yaml:    charm: swift-storage
./swift-storage/tests/bundles/focal-ussuri.yaml:    charm: swift-storage
./swift-storage/tests/bundles/xenial-ocata.yaml:    charm: swift-storage
./swift-storage/tests/bundles/trusty-mitaka.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r1.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r1.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r1.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r2.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r2.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train-gr-r2.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-train.yaml:    charm: swift-storage
./swift-storage/tests/bundles/bionic-ussuri.yaml:    charm: swift-storage
./pacemaker-remote/src/tests/bundles/bionic-basic.yaml:    charm: pacemaker-remote
./ceph-mon/tests/bundles/xenial-pike.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/bionic-rocky.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/bionic-queens.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/xenial-queens.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/bionic-stein.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/xenial-mitaka.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/bionic-train-with-fsid.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/xenial-ocata.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/trusty-mitaka.yaml:    charm: ceph-mon
./ceph-mon/tests/bundles/bionic-train.yaml:    charm: ceph-osd
./ceph-fs/src/tests/bundles/xenial-pike.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/bionic-rocky.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/bionic-queens.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/xenial-queens.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/eoan-train.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/bionic-stein.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/disco-stein.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/xenial-mitaka.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/xenial-ocata.yaml:    charm: ceph-fs
./ceph-fs/src/tests/bundles/bionic-train.yaml:    charm: ceph-fs
./ceph-osd/tests/bundles/xenial-pike.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/bionic-rocky.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/bionic-queens.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/xenial-queens.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/eoan-train.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/bionic-stein.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/xenial-mitaka.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/xenial-ocata.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/trusty-mitaka.yaml:    charm: ceph-osd
./ceph-osd/tests/bundles/bionic-train.yaml:    charm: ceph-osd
./ceph-radosgw/tests/bundles/xenial-mitaka-namespaced.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/xenial-pike.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-stein-namespaced.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-train-namespaced.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-rocky.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-queens.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-rocky-namespaced.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/xenial-queens.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-stein.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/xenial-mitaka.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/xenial-ocata.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-queens-namespaced.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/trusty-mitaka.yaml:    charm: ceph-radosgw
./ceph-radosgw/tests/bundles/bionic-train.yaml:    charm: ceph-radosgw
./nova-cell-controller/src/tests/bundles/bionic-rocky.yaml:    charm: nova-cell-controller
./nova-cell-controller/src/tests/bundles/bionic-stein.yaml:    charm: nova-cell-controller
./nova-cell-controller/src/tests/bundles/bionic-train.yaml:    charm: nova-cell-controller
./cinder-backup-swift-proxy/src/tests/bundles/bionic-queens-swift-v3.yaml:    charm: cinder-backup-swift-proxy
./cinder-backup-swift-proxy/src/tests/bundles/bionic-queens-swift-v2.yaml:    charm: cinder-backup-swift-proxy
./ceph-proxy/tests/bundles/trusty-icehouse.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/xenial-pike.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/bionic-rocky.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/bionic-queens.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/xenial-queens.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/bionic-stein.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/xenial-mitaka.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/xenial-ocata.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/trusty-mitaka.yaml:    charm: 'ceph-proxy'
./ceph-proxy/tests/bundles/bionic-train.yaml:    charm: 'ceph-proxy'