Merge branch '352-follow-up-from-add-gast-instances-for-datetime-time' into 'master'

Improve test case generation for DateTime

Closes #352

See merge request !345

Libraries/iTasks/Extensions/DateTime/Gast.icl

@@ -2,5 +2,5 @@ implementation module iTasks.Extensions.DateTime.Gast
 
 import StdEnv, Gast, iTasks.Extensions.DateTime
 
-ggen{|Time|} _ = [{Time| hour = h, min = m, sec = s} \\ (h,m,s) <- diag3 [0..23] [0..59] [0..59]]
+ggen{|Time|} _ = [{Time| hour = h, min = m, sec = s} \\ (h,m,s) <- diag3 [0,23:[1..22]] [0,59:[1..58]] [0,59,60:[1..58]]]
 derive genShow Time