diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index 08c1410..aca2f11 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -68,6 +68,10 @@
 make clean
 cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.py full
+# Enable some deprecated or experimental features that are not in the
+# full config, but are compatible with it and have tests.
+scripts/config.py set MBEDTLS_SSL_PROTO_SSL3
+scripts/config.py set MBEDTLS_PSA_CRYPTO_SE_C
 make -j