Retail packaging and shipping cases perform different roles, so a result for one packaging level cannot automatically be assigned to another.
The evaluated systems are different
Retail packaging directly contains and presents an individual product. An outer shipping case groups one or more retail packages for distribution. These levels interact, but they are not the same test object. A retail package evaluated alone lacks the neighboring units, case walls, void fill, stacking pattern, and case closure present in a full shipment. A loaded shipping case, meanwhile, may distribute forces across multiple units in ways that an individual retail-package evaluation does not reproduce.
Configuration changes the result
A useful test record must identify exactly what was evaluated: the product SKU, retail-package version, number of units, their orientation, the outer-case specification, internal dividers or fill, closure method, and total packed arrangement. The reported outcome belongs to that complete configuration. Testing an inner package alone does not establish how a loaded case behaves, while testing a full case does not necessarily reveal the performance of a single retail package shipped without that case.
Even two full cases should not be treated as equivalent when their unit count, loading pattern, empty space, or internal components differ. Those changes can alter movement, load transfer, and contact between packages.
Report each conclusion at the correct level
Evidence should therefore be labeled by packaging level. An individual-package result may support a conclusion about that individual configuration under the documented conditions. A case-level result may support a conclusion about the tested case and its stated contents. Neither result should be presented as automatic proof for the other state.
When displaying a result, state the packing hierarchy, unit count, component versions, and evaluation scope together. This prevents a narrow pass from becoming a broad transport claim and allows readers to see whether the evidence actually matches the package they are considering.