# Preparations (Admin Console)
# go to {nav User Management > Users} section
# create user
# go to {nav Configuration > Users > General} section
# change `Allow new user registration` setting value to `Immediate`
# save changes
# go to {nav Website & Content > Structure & Data} section
# go to `Products` category
# create `Sub Products` category
# create any product in that `Sub Products` category
# Part 1 (Front-End)
# login
# add product to cart
# confirm that current order (created on Front-End) is owned by logged-in user
# Part 2 (Front-End)
# add product to cart
# login
# confirm that current order (created on Front-End) is owned by logged-in user
# Part 3 (Front-End)
# register
# add product to cart
# confirm that current order (created on Front-End) is owned by logged-in user
# Part 4 (Front-End)
# add product to cart
# register
# confirm that current order (created on Front-End) is owned by logged-in user