Spring Boot Test for Application Testing
Briefly

Spring Boot Test simplifies the testing of Spring components by providing a framework with annotations and utilities for integration, mocking, and configuration testing.
The @SpringBootTest annotation creates an application context for integration testing, allowing developers to ensure that the full application configuration loads correctly.
@MockBean helps isolate components during testing by allowing developers to mock services or dependencies, ensuring that tests remain focused on specific functionalities.
The @DataJpaTest annotation sets up an in-memory database for testing JPA repositories, streamlining the process of validating data access layers.
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