test: move more inspector sequential tests to parallel
This moves sequential inspector tests that can be run in parallel (using random ports) to parallel.
Before:
❯ tools/test.py "test/sequential/test-inspector-*"
[00:07|% 100|+ 28|- 0]: Done
All tests passed.
❯ tools/test.py "test/parallel/test-inspector-*"
[00:01|% 100|+ 26|- 0]: Done
All tests passed.
After:
❯ tools/test.py "test/sequential/test-inspector-*"
[00:00|% 100|+ 1|- 0]: Done
All tests passed.
❯ tools/test.py "test/parallel/test-inspector-*"
[00:01|% 100|+ 53|- 0]: Done
All tests passed.