make expected-tests diff more pretty (#2577) #1624

Job	Run time
docs	30s
check-cfg	32s
msrv	1m 14s
minimal	20s
quickchecking	24s
rustfmt-clippy	45s
test-book	15s
test (ubuntu-latest, 5.0, 1, 0, 0, 0, 0)	2m 48s
test (ubuntu-latest, 5.0, 1, 0, 0, 1, 0)	2m 56s
test (ubuntu-latest, 5.0, 1, 0, 1, 0, 0)	3m 19s
test (ubuntu-latest, 5.0, 1, 0, 1, 1, 0)	2m 39s
test (ubuntu-latest, 5.0, 1, 1, 0, 0, 0)	5m 6s
test (ubuntu-latest, 5.0, 1, 1, 0, 1, 0)	5m 7s
test (ubuntu-latest, 5.0, 1, 1, 1, 0, 0)	4m 55s
test (ubuntu-latest, 5.0, 1, 1, 1, 1, 0)	5m 34s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	3m 58s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	3m 59s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	3m 58s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	2m 57s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	3m 52s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	6m 56s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	4m 6s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	4m 11s
test (ubuntu-latest, 9.0, 0, 0, 1)	2m 2s
test (macos-latest, 9.0, 0, 0, 0)	2m 25s
test-expectations (ubuntu-latest)	1m 44s
test-expectations (macos-latest)	4m 16s
	1h 20m 48s

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