Samples and testers
Perfumes testers
If a listing uses the term perfumes testers, read its precise contents rather than relying on the phrase. What matters is the maker, actual fragrance, format and quantity being sold.
A HUME Fragrance buying guide

Resolve ambiguous wording
Check whether the offer contains full demonstration bottles, small vials or an assortment. Ask the seller when the specification is unclear.
Compare like with like
A designer reference and an original designer product are not the same disclosure. Use actual product identity.
Review the complete order
Confirm selected quantity, delivery and returns before paying. Do not infer extras from a promotional image.
Try this before you buy
Rewrite one ambiguous tester listing into a clear sentence describing exactly what the buyer receives.