False advertising

Booked online for the eye test from brookside mall toga optical. On Facebook toga optical at brookside mall was advertising eye test done R90 I booked online for my wife and son got confirmation message to say appointment will be on the 24 of September at 13:30.got to the store at 13:20 and was told they running a little behind as there is alot of people coming in for the eye test when it was finally our turn my wife and son went to fill in the form but was told they not doing eye test must come back next week as we were not interested in purchasing any glasses today we just wanted the eye test done which we booked for.