web: unit tests for the simple things, with fixes that the tests revealed #24929

Job	Run time
lint-golint	36s
test-unittest	3m 34s
ci-outpost-mark	1s
build-binary (proxy, linux, amd64)	1m 33s
build-binary (proxy, linux, arm64)	1m 58s
build-binary (ldap, linux, amd64)	1m 38s
build-container (proxy)	3m 19s
build-binary (ldap, linux, arm64)	1m 59s
build-container (ldap)	2m 23s
build-binary (radius, linux, amd64)	1m 59s
build-container (radius)	2m 23s
build-binary (radius, linux, arm64)	1m 41s
build-container (rac)	2m 50s
build-binary (rac, linux, amd64)	1m 40s
build-binary (rac, linux, arm64)	1m 45s
	29m 19s

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