Testing

Symbol	Description
`MustNewTestApp(module, func(b *gonest.TestBuilder) {...})`	Runs the 3-phase bootstrap without starting a real listener.
`MustOverride[T](builder, mockValue)`	Substitutes a provider's constructor with a mock. `T` must be an interface.
`tester.MustRequest(method, path, body)`	In-memory request dispatch; `body` JSON-encoded if non-nil.
`TestResponse.AssertStatus(t, want)`	Asserts response status.
`TestResponse.AssertJsonPath(t, path, want)`	Asserts a dot-notation JSON path (e.g. `"address.zip"`).
`gonest.HttpMethod`, `HttpGet`, `HttpPost`, `HttpPut`, `HttpDelete`, `HttpQuery`	HTTP verb aliases for dispatch.