update text, add tests (#29485) #195

Job	Run time
master-ci / Check go mod tidy	29s
master-ci / Check serialization methods for hot structs	21s
master-ci / Check mocks	1m 45s
master-ci / golangci-lint	4m 48s
master-ci / Check app layers	33s
master-ci / Generate email templates	20s
master-ci / Check style	3m 6s
master-ci / Vet API	3m 27s
master-ci / Check migration files	6s
master-ci / Check mmctl docs	1m 37s
master-ci / Check store layers	16s
master-ci / MySQL to PostgreSQL Migration / MySQL -> Postgres Migration	6m 45s
master-ci / Build mattermost server app	13m 16s
master-ci / Postgres with binary parameters	0s
master-ci / Postgres / Postgres	1h 31m 45s
master-ci / MySQL / MySQL	1h 41m 55s
master-ci / Run mmctl tests / mmctl	34m 54s
	4h 25m 23s

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