Separate the window sentence from the wrapped error so a bad certificate file is not reported as a key mismatch.

Co-authored-by: Cursor <cursoragent@cursor.com>

station/reflector_test.go

@@ -236,6 +236,7 @@ func (r *reflector) handshake(t *testing.T, cfg *tls.Config) error {
 		return err
 	}
 	err := r.tls.Handshake()
+	// Clearing the deadline is best-effort; the handshake error is the result.
 	_ = r.tls.SetDeadline(time.Time{})
 	if err != nil {
 		r.tls = nil