- Closes#2321.
- Removes image script and ORAS resource extension
point handling for container machine user setup.
- Replaces image script resource with hardcoded script.
- Adds more flexible user setup options to
`container machine`.
- Updates container machine documentation to clearly
identify convenience-isolation tradeoffs.
- Part of #1833.
- CLI progress and registry test migrations were inadventently reverted
by #1857.
- Migrate TestCLINoParallelCases to TestCLIImagePruneSerial and
TestCLINetworkPruneSerial.
- Clean up test selection patterns in Makefile.
- Remove all legacy CLITests files.
- Use swift-testing `withKnownIssue` to run but ignore failures on flaky
`testCreateNameLongestValid` and `testIsolatedNetwork`.
- Extracts a fixture helper for tests requiring a retry loop.
J Logan