Explain the use of the WidgetTester class in Flutter testing.
- It is responsible for rendering widgets
- It is used for creating widget instances
- It manages the lifecycle of widget tests
- It provides utilities for testing widget trees
The WidgetTester class in Flutter testing is responsible for interacting with widgets and managing the testing environment. It provides methods to pump widget trees, simulate user interactions, and verify the state of widgets. Understanding how to use the WidgetTester is crucial for writing effective widget tests in Flutter, as it enables developers to simulate user interactions and verify that widgets behave as expected in different scenarios.
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