Add test with unreliable connection
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 7028a07..397c565 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -5234,6 +5234,25 @@
-c "found fragmented DTLS handshake message" \
-C "error"
+requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
+requires_config_enabled MBEDTLS_RSA_C
+requires_config_enabled MBEDTLS_ECDSA_C
+client_needs_more_time 2
+run_test "DTLS fragmenting: proxy MTU + 3d" \
+ -p "$P_PXY mtu=512 drop=8 delay=8 duplicate=8" \
+ "$P_SRV dtls=1 debug_level=2 auth_mode=required \
+ crt_file=data_files/server7_int-ca.crt \
+ key_file=data_files/server7.key \
+ mtu=512" \
+ "$P_CLI dtls=1 debug_level=2 \
+ crt_file=data_files/server8_int-ca2.crt \
+ key_file=data_files/server8.key \
+ mtu=512" \
+ 0 \
+ -s "found fragmented DTLS handshake message" \
+ -c "found fragmented DTLS handshake message" \
+ -C "error"
+
# Tests for specific things with "unreliable" UDP connection
not_with_valgrind # spurious resend due to timeout