diff --git a/tests/opt-testcases/tls13-kex-modes.sh b/tests/opt-testcases/tls13-kex-modes.sh
index e65a36f50..eda2de9d9 100755
--- a/tests/opt-testcases/tls13-kex-modes.sh
+++ b/tests/opt-testcases/tls13-kex-modes.sh
@@ -1605,8 +1605,8 @@ requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHAN
 requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
 requires_openssl_tls1_3
 run_test "TLS 1.3 O->m: psk_ephemeral group(secp256r1->secp384r1) check, good" \
-         "$P_SRV crt_file=data_files/ecdsa_secp256r1.crt key_file=data_files/ecdsa_secp256r1.key force_version=tls13 tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
-         "$O_NEXT_CLI_NO_CERT -CAfile data_files/test-ca2.crt -tls1_3 -msg -allow_no_dhe_kex -psk_identity Client_identity -psk 6162636465666768696a6b6c6d6e6f70 -groups P-256:P-384" \
+         "$P_SRV force_version=tls13 tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
+         "$O_NEXT_CLI_NO_CERT -tls1_3 -msg -allow_no_dhe_kex -psk_identity Client_identity -psk 6162636465666768696a6b6c6d6e6f70 -groups P-256:P-384" \
          0 \
          -s "write selected_group: secp384r1" \
          -s "HRR selected_group: secp384r1" \
@@ -1621,8 +1621,8 @@ requires_gnutls_tls1_3
 requires_gnutls_next_no_ticket
 requires_gnutls_next_disable_tls13_compat
 run_test "TLS 1.3 G->m: psk_ephemeral group(secp256r1->secp384r1) check, good" \
-         "$P_SRV crt_file=data_files/ecdsa_secp256r1.crt key_file=data_files/ecdsa_secp256r1.key force_version=tls13 tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
-         "$G_NEXT_CLI_NO_CERT --debug=4 --single-key-share --x509cafile data_files/test-ca2.crt --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:+PSK:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-SECP384R1 --pskusername Client_identity --pskkey 6162636465666768696a6b6c6d6e6f70 localhost" \
+         "$P_SRV force_version=tls13 tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
+         "$G_NEXT_CLI_NO_CERT --debug=4 --single-key-share --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:+PSK:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-SECP384R1 --pskusername Client_identity --pskkey 6162636465666768696a6b6c6d6e6f70 localhost" \
          0 \
          -s "write selected_group: secp384r1" \
          -s "HRR selected_group: secp384r1" \