Shift-Left Testing is a modern testing approach where testing activities are performed early in the Software Development Life Cycle (SDLC).
The idea is to prevent defects early instead of finding them later, reducing cost, time, and rework.

It is the opposite of Shift-Right Testing, which happens after deployment.

1. What is Shift-Left Testing?

Shift-Left Testing means shifting testing processes towards the left (earlier phases) in the project timeline.

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