Test

Misc fixes for Gray streams #1043

Job	Run time
clasp / macos-latest / bytecode	1h 10m 34s
clasp / macos-latest / faso	3h 47m 42s
clasp / ubuntu-latest / bytecode	30m 54s
clasp / ubuntu-latest / faso	1h 49m 12s
cando / macos-latest / bytecode	55m 17s
cando / macos-latest / faso	1h 59m 14s
cando / ubuntu-latest / bytecode	36m 21s
cando / ubuntu-latest / faso	56m 32s
	11h 45m 46s

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