Implementation:
Read moreWhat is widget function in Flutter?
Flutter widgets are built using a modern framework that takes inspiration from React. The central idea is that you build your UI out of widgets. Widgets describe what their view should look like given their current configuration and state .
Read moreWhat is unit test in Flutter?
Unit tests are handy for verifying the behavior of a single function, method, or class . The test package provides the core framework for writing unit tests, and the flutter_test package provides additional utilities for testing widgets.
Read moreHow do I unit test provider in Flutter?
How to test a Flutter app
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