Catch broken error responses in Spring Boot.
Guides writing isolated Spring Boot exception-handler tests that check HTTP status codes, error payloads, and field-level validation messages.
When to use it
Use when writing exception-handler tests, checking global controller advice, or validating REST API error responses.
It changes how the agent writes exception-handler tests by using dedicated test controllers, registered controller advice, and response assertions.
What you provide
The guide applies to Spring Boot applications and uses MockMvc to test their exception handlers.
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