Qcheck_teztval register :
__FILE__:string ->
?title:string ->
tags:string list ->
?seed:Tezt_core.Test.seed ->
QCheck2.Test.t ->
unitRegister a QCheck test.
Register ~__FILE__ ?title ~tags ?seed test is same as Tezt_core.Test.register ~__FILE__ ~title ~tags' ?seed f with :
title is not provided, the name of test is used.tags' is "qcheck" :: tags.