While concern over the cost of test is changing attitudes to when and how it's done, the cost of failure means that we're now testing everything, everywhere. WE ARE entering the era of total test: where things remain on test through their lifecycle and not just at the end of the production line to try to avoid failures in the field. Industries such as automotive and aerospace illustrate how attitudes to test have changed. Why? The high cost of product recalls and the increasing reliance on automation for safety.
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