Remove unused Test and TestRecorder classes from test_internals_v2.py #899

Job	Run time
build (ubuntu-latest, 3.13, 8.1)	8m 7s
build (ubuntu-22.04, 3.7, 8.1)	7m 11s
build (ubuntu-latest, 3.9, 8.1)	8m 6s
build (ubuntu-latest, 3.13, latest)	13m 16s
build (ubuntu-22.04, 3.7, latest)	11m 37s
build (ubuntu-22.04, 3.7, 8.2)	8m 4s
build (ubuntu-latest, 3.13, 8.2)	8m 9s
build (ubuntu-latest, 3.9, 8.2)	8m 9s
build (ubuntu-latest, 3.9, latest)	12m 1s
fossa-scan / Run fossa scan on repository	31s
fossa-scan / Fetch fossa results	1m 2s
	1h 26m 13s

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