Testcase to check if the logo for any Org can be set and changed without errors.
Make sure Org I has no logo set in C_BPartner, Logo and in AD_OrgInfo
In C_BPartner, Logo, set logo.png for Org I, save
Log out and in again
Open your orders, invoices and inouts, search for Org = Org I
Print Preview all of them
In AD_OrgInfo, set logoII.png as Logo for Org I, save
Log out and in again
Print Preview all of your orders, invoices and inouts with Org = Org I again
In C_BPartner, Logo, delete logo.png for Org I, save
Log out and in again
Print Preview all of your orders, invoices and inouts with Org = Org I once more