add tests for collections search links #619

Job	Run time
sdist	11s
linux (x86_64)	56s
macos (x86_64)	33s
linux (x86)	58s
macos (aarch64)	21s
changes	7s
windows (x64)	2m 24s
linux (aarch64)	1m 15s
linux (armv7)	1m 23s
windows (x86)	2m 51s
linux (s390x)	1m 10s
linux (ppc64le)	1m 8s
Build and push base postgres image	2m 23s
Build and push base pyrust	3m 46s
test	2m 43s
	22m 9s

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