Method captured

core/engine/engine_test.go:46–52

()

	return nil
}
func (b *fakeBackend) captured() [][]byte {
	b.mu.Lock()
	defer b.mu.Unlock()
	out := make([][]byte, len(b.injected))
	copy(out, b.injected)
	return out
}

// pktOpts builds a raw IPv4+TCP packet with caller-chosen fields for scripting.
type pktOpts struct {