add tests for collections search links #616

Job	Run time
changes	5s
sdist	5s
macos (x86_64)	21s
linux (x86_64)	1m 0s
macos (aarch64)	24s
windows (x64)	1m 32s
linux (x86)	57s
windows (x86)	1m 57s
linux (aarch64)	1m 16s
linux (armv7)	1m 27s
linux (s390x)	1m 16s
linux (ppc64le)	1m 13s
Build and push base postgres image	15s
Build and push base pyrust	14s
test	0s
	12m 2s

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