ssl-opt.sh: Align prefix of TLS 1.3 opaque key tests

Align prefix of TLS 1.3 opaque key tests
with the prefix of the othe TLS 1.3 tests.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index f680f57..71f9f87 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -2045,7 +2045,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_RSA_C
-run_test    "TLS1.3 opaque key: no suitable algorithm found" \
+run_test    "TLS 1.3 opaque key: no suitable algorithm found" \
             "$P_SRV debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs=rsa-decrypt,none" \
             "$P_CLI debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs=rsa-decrypt,rsa-sign-pss" \
             1 \
@@ -2059,7 +2059,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_RSA_C
-run_test    "TLS1.3 opaque key: suitable algorithm found" \
+run_test    "TLS 1.3 opaque key: suitable algorithm found" \
             "$P_SRV debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs=rsa-decrypt,rsa-sign-pss" \
             "$P_CLI debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs=rsa-decrypt,rsa-sign-pss" \
             0 \
@@ -2073,7 +2073,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_RSA_C
-run_test    "TLS1.3 opaque key: 2 keys on server, suitable algorithm found" \
+run_test    "TLS 1.3 opaque key: 2 keys on server, suitable algorithm found" \
             "$P_SRV debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs2=ecdsa-sign,none key_opaque_algs=rsa-decrypt,rsa-sign-pss" \
             "$P_CLI debug_level=4 force_version=tls13 key_opaque=1 key_opaque_algs=rsa-decrypt,rsa-sign-pss" \
             0 \