Remove unused Test and TestRecorder classes from test_internals_v2.py #896

Job	Run time
build (ubuntu-latest, 3.9, latest)	12m 49s
build (ubuntu-latest, 3.9, 8.2)	7m 26s
fossa-scan / Run fossa scan on repository	35s
build (ubuntu-latest, 3.13, 8.2)	7m 18s
build (ubuntu-latest, 3.13, latest)	10m 51s
build (ubuntu-latest, 3.9, 8.1)	7m 28s
build (ubuntu-latest, 3.13, 8.1)	7m 21s
build (ubuntu-22.04, 3.7, 8.1)	7m 27s
build (ubuntu-22.04, 3.7, latest)	12m 28s
build (ubuntu-22.04, 3.7, 8.2)	7m 29s
fossa-scan / Fetch fossa results	3m 20s
	1h 24m 32s

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