Ruby

add a test for `b path: ...` #3300

Job	Run time
ruby-versions / Generate Ruby versions	5s
test (3.0)	18m 28s
test (3.4)	5m 25s
test (3.2)	6m 4s
test (3.3)	6m 9s
test (2.7)	6m 1s
test (head)	5m 35s
test (3.1)	18m 34s
test (debug)	14m 59s
	1h 21m 20s

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