diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index c5b7664..3a1b60f 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1115,7 +1115,7 @@
 # Tests for Context serialization
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, client serializes/deserializes" \
+run_test    "(STUB) Context serialization, client serializes/deserializes" \
             "$P_SRV serialize=0 exchanges=2" \
             "$P_CLI serialize=1 exchanges=2" \
             0 \
@@ -1123,7 +1123,7 @@
             -S "Deserializing connection..."
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, server serializes/deserializes" \
+run_test    "(STUB) Context serialization, server serializes/deserializes" \
             "$P_SRV serialize=1 exchanges=2" \
             "$P_CLI serialize=0 exchanges=2" \
             0 \
@@ -1131,7 +1131,7 @@
             -s "Deserializing connection..."
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, both serialize/deserialize" \
+run_test    "(STUB) Context serialization, both serialize/deserialize" \
             "$P_SRV serialize=1 exchanges=2" \
             "$P_CLI serialize=1 exchanges=2" \
             0 \