Adjust tests after Jexcel web table app

repair tests after !1207

See merge request !1260
3 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

01:18:39

passed SlapOS.Eggs.UnitTest-Master.Python2

00:19:11

passed SlapOS.Eggs.UnitTest-Master.Python3

00:10:56