diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index ddf831f..ce99388 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1703,31 +1703,37 @@
 # Dummy TLS 1.3 test
 # Currently only checking that passing TLS 1.3 key exchange modes to
 # ssl_client2/ssl_server2 example programs works.
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: PSK only" \
-            "$P_SRV tls13_kex_modes=psk" \
-            "$P_CLI tls13_kex_modes=psk" \
+            "$P_SRV tls13_kex_modes=psk debug_level=4" \
+            "$P_CLI tls13_kex_modes=psk debug_level=4" \
             0
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: PSK-ephemeral only" \
             "$P_SRV tls13_kex_modes=psk_ephemeral" \
             "$P_CLI tls13_kex_modes=psk_ephemeral" \
             0
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: Pure-ephemeral only" \
             "$P_SRV tls13_kex_modes=ephemeral" \
             "$P_CLI tls13_kex_modes=ephemeral" \
             0
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: All ephemeral" \
             "$P_SRV tls13_kex_modes=ephemeral_all" \
             "$P_CLI tls13_kex_modes=ephemeral_all" \
             0
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: All PSK" \
             "$P_SRV tls13_kex_modes=psk_all" \
             "$P_CLI tls13_kex_modes=psk_all" \
             0
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 run_test    "TLS 1.3, key exchange mode parameter passing: All" \
             "$P_SRV tls13_kex_modes=all" \