test

Document for compressed state table #562

Job	Run time
test-memory (head)	29s
check-misc (head)	7s
steep-check (head)	12s
test-ruby (head, master)	5m 44s
test-windows (head)	1m 41s
test-ruby (3.0, master)	5m 59s
ruby-versions / Generate Ruby versions	4s
test-cpp (head, g++)	12s
test (2.5)	24s
test-cpp (head, clang++)	13s
test (2.6)	24s
test (2.7)	26s
test (3.0)	14s
test (3.1)	16s
test (3.2)	16s
test (3.3)	16s
test (head)	10s
	17m 7s

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