sw unit test: add call to CalcLayout before using the layout
sw unit test: add call to CalcLayout before using the layout

Change-Id: Ibb3f8175729cb579a687275a11884c397152fe94
Reviewed-on: https://gerrit.libreoffice.org/1645
Reviewed-by: Noel Power <5d8953a81ee7faf03fd3845d9c88b1bd8aadcf4c@suse.com>
Tested-by: Noel Power <5d8953a81ee7faf03fd3845d9c88b1bd8aadcf4c@suse.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core