Various improvements to EasyTest expectations #9984

Job	Run time
build ucm (ubuntu-20.04)	3m 3s
ormolu	14s
build ucm (macOS-13)	8m 38s
build ucm (windows-2019)	6m 25s
run interpreter tests (ubuntu-20.04)	1m 2s
generate jit source	7s
run interpreter tests (macos-13)	1m 58s
run transcripts (ubuntu-20.04)	4m 14s
run transcripts (macos-13)	8m 27s
run transcripts (windows-2019)	8m 5s
build jit binary / build jit binary (ubuntu-20.04)	8s
build jit binary / build jit binary (macOS-13)	18s
build jit binary / build jit binary (windows-2019)	15s
test jit / test jit (ubuntu-20.04)	11s
test jit / test jit (macOS-13)	16s
	43m 21s

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