Answer:
market testing
Step-by-step explanation:
Market testing -
It is the method to test a specific product or service , before getting it in the market , is known as market testing .
Hence , from the question ,
As, Nicole want to add another product to her spice company , so , as her friend gave her the idea , to mix spices from India ,
Therefore , during the stage of market testing , she distributed the mixtures of spices and tea to the stores in order to sell the response and determine the taste of people .