Makers and designers are often taken aback when clients push back on allocating funds for user research and testing. Here's a software team's point of view.
Getting your app into the hands of customers as soon as possible is highly recommended. Here are a few stories that illustrate the utility of user testing.
After doing usability tests for a year, this is the advice I would give my past self — prepare, practice, work with a pair, and above all, stay flexible.
Design starts when there's a problem to solve. That's the designer's "broken test." After designing a solution, she does user testing to make sure it passes.