Disabled PollingReload tests #4232

Job	Run time
build	3m 20s
test_when_cache_missing	0s
test_when_cache_present (0, 8, 647)	22m 7s
test_when_cache_present (1, 8, 647)	23m 54s
test_when_cache_present (2, 8, 647)	20m 47s
test_when_cache_present (3, 8, 647)	24m 35s
test_when_cache_present (4, 8, 647)	23m 18s
test_when_cache_present (5, 8, 647)	21m 49s
test_when_cache_present (6, 8, 647)	22m 49s
test_when_cache_present (7, 8, 647)	25m 5s
test_when_cache_present (8, 8, 647)	12m 53s
save_test_times_when_cache_missing	0s
save_test_times_when_cache_present	8s
	3h 20m 45s

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