1) Peoria, notably 1) Irritable consumers 
A test market, in the field of business and marketing, is a geographic region or demographic group used to gauge the viability of a product or service in the mass market prior to a wide scale roll-out. The criteria used to judge the acceptability of a test market region or group include: ==Practical use of test markets== The test market ideally ai...
A market (or markets) chosen for the purpose of conducting a media test.
A market area representative of the average national demographics and buying patterns, which is chosen to test new products, promotions and to forecast sales. See trading area. 
In marketing, a product or service which is tested in a particular area of the country before it is launched nationally
Trial market for a new product or service offer.