Add missing slashes to tests
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index f55cc17..c5b7664 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1115,27 +1115,27 @@
 # Tests for Context serialization
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, client serializes/deserializes"
+run_test    "Context serialization, client serializes/deserializes" \
             "$P_SRV serialize=0 exchanges=2" \
             "$P_CLI serialize=1 exchanges=2" \
             0 \
-            -c "Deserializing connection..."
+            -c "Deserializing connection..." \
             -S "Deserializing connection..."
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, server serializes/deserializes"
+run_test    "Context serialization, server serializes/deserializes" \
             "$P_SRV serialize=1 exchanges=2" \
             "$P_CLI serialize=0 exchanges=2" \
             0 \
-            -C "Deserializing connection..."
+            -C "Deserializing connection..." \
             -s "Deserializing connection..."
 
 requires_config_enabled MBEDTLS_SSL_CONTEXT_SERIALIZATION
-run_test    "Context serialization, both serialize/deserialize"
+run_test    "Context serialization, both serialize/deserialize" \
             "$P_SRV serialize=1 exchanges=2" \
             "$P_CLI serialize=1 exchanges=2" \
             0 \
-            -c "Deserializing connection..."
+            -c "Deserializing connection..." \
             -s "Deserializing connection..."
 
 # Tests for DTLS Connection ID extension