Better testcases

Author: sostock

stdlib/Dates/test/periods.jl

@@ -480,7 +480,7 @@ end
 @testset "Hashing for CompoundPeriod (#37447)" begin
     periods = [Dates.Year(0), Dates.Minute(0), Dates.Second(0), Dates.CompoundPeriod(),
                Dates.Minute(2), Dates.Second(120), Dates.CompoundPeriod(Dates.Minute(2)),
-               Dates.CompoundPeriod(Dates.Second(120)), Dates.CompoundPeriod(Dates.Minute(1), Dates.Second(30))]
+               Dates.CompoundPeriod(Dates.Second(120)), Dates.CompoundPeriod(Dates.Minute(1), Dates.Second(60))]
     for x = periods, y = periods
         @test isequal(x,y) == (hash(x) == hash(y))
     end