test: shave register/shutdown/TC waits on loopback #5299

Job	Run time
Lint PR Title	3s
lint	25s
benchmark	37s
Lint Commit Messages	12s
test (3.11, macos-latest, skip_cython)	1m 0s
test (3.11, ubuntu-latest, use_cython)	1m 3s
test (3.10, macos-latest, skip_cython)	1m 24s
test (3.11, ubuntu-latest, skip_cython)	58s
test (3.11, windows-latest, skip_cython)	1m 25s
test (3.10, ubuntu-latest, skip_cython)	58s
test (3.10, ubuntu-latest, use_cython)	55s
test (3.12, ubuntu-latest, use_cython)	1m 5s
test (3.10, windows-latest, skip_cython)	1m 57s
test (3.12, ubuntu-latest, skip_cython)	1m 4s
test (3.14, macos-latest, skip_cython)	1m 13s
test (3.12, windows-latest, skip_cython)	1m 22s
test (3.13, windows-latest, skip_cython)	1m 31s
test (3.14t, ubuntu-latest, use_cython)	1m 4s
test (3.14t, windows-latest, skip_cython)	2m 6s
test (3.13, ubuntu-latest, use_cython)	58s
test (3.12, macos-latest, skip_cython)	1m 10s
test (3.14t, macos-latest, skip_cython)	1m 44s
test (3.14t, ubuntu-latest, skip_cython)	1m 13s
test (3.13, macos-latest, skip_cython)	1m 8s
test (3.13, ubuntu-latest, skip_cython)	58s
test (pypy-3.10, ubuntu-latest, use_cython)	1m 24s
test (3.14, ubuntu-latest, skip_cython)	57s
test (pypy-3.10, ubuntu-latest, skip_cython)	1m 31s
test (3.14, ubuntu-latest, use_cython)	1m 1s
test (3.14, windows-latest, skip_cython)	1m 22s
Wheels for ${{ matrix.os }} (${{ (((matrix.musl == 'musllinux') && 'musllinux') \|\| 'manylinux') }}) ${{ matrix.qemu }} ${{ matrix.pyver }}	0s
release	0s
upload_pypi	0s
	33m 48s

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