Tests

Skip some realine tests to be done later #44

Job	Run time
test (ubuntu-latest, head)	8s
test (ubuntu-latest, 3.3)	7s
test (ubuntu-latest, 3.2)	8s
test (ubuntu-latest, 3.1)	7s
test (ubuntu-latest, 3.0)	7s
test (ubuntu-latest, jruby)	36s
test (ubuntu-latest, jruby-head)	31s
test (ubuntu-latest, truffleruby)	26s
test (ubuntu-latest, truffleruby-head)	28s
test (ubuntu-latest, truffleruby+graalvm)	2m 14s
test (windows-latest, head)	1m 8s
test (windows-latest, 3.3)	2m 42s
test (windows-latest, mingw)	48s
test (windows-latest, mswin)	1m 49s
test (windows-latest, ucrt)	1m 13s
test (macos-latest, head)	19s
test (macos-latest, 3.3)	18s
	13m 9s

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