diff --git a/tests/opt-testcases/tls13-misc.sh b/tests/opt-testcases/tls13-misc.sh
index 821a37bf3..ab45a39ff 100755
--- a/tests/opt-testcases/tls13-misc.sh
+++ b/tests/opt-testcases/tls13-misc.sh
@@ -349,7 +349,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk/psk." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk$"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -377,7 +378,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk/psk_all." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk$"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -421,7 +423,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk_ephemeral/psk_ephemera
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk_ephemeral"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -433,7 +436,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk_ephemeral/psk_all." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk_ephemeral"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -463,7 +467,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk_all/psk." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk$"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -476,7 +481,8 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk_all/psk_ephemeral." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk_ephemeral"
 
 requires_all_configs_enabled MBEDTLS_SSL_SESSION_TICKETS \
                              MBEDTLS_SSL_SRV_C MBEDTLS_SSL_CLI_C MBEDTLS_DEBUG_C \
@@ -489,5 +495,6 @@ run_test "TLS 1.3 m->m: Resumption with ticket flags, psk_all/psk_all." \
          0 \
          -c "Pre-configured PSK number = 1" \
          -S "No suitable key exchange mode" \
-         -s "found matched identity"
+         -s "found matched identity" \
+         -s "key exchange mode: psk_ephemeral"