add tests for collections search links #615

Job	Run time
sdist	10s
changes	6s
macos (x86_64)	26s
linux (x86_64)	1m 6s
macos (aarch64)	28s
windows (x64)	2m 6s
linux (x86)	1m 13s
linux (aarch64)	1m 25s
windows (x86)	3m 23s
linux (armv7)	1m 32s
linux (s390x)	1m 21s
linux (ppc64le)	1m 25s
Build and push base postgres image	0s
Build and push base pyrust	0s
test	0s
	14m 41s

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