diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index a940c604e..ce7207ea2 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2478,6 +2478,7 @@ component_build_mbedtls_config_file () {
     scripts/config.py -w full_config.h full
     echo '#error "MBEDTLS_CONFIG_FILE is not working"' >"$CONFIG_H"
     make CFLAGS="-I '$PWD' -DMBEDTLS_CONFIG_FILE='\"full_config.h\"'"
+    # Make sure this feature is enabled. We'll disable it in the next phase.
     programs/test/query_compile_time_config MBEDTLS_NIST_KW_C
     make clean
 
@@ -2497,6 +2498,7 @@ component_build_psa_config_file () {
     cp "$CRYPTO_CONFIG_H" psa_test_config.h
     echo '#error "MBEDTLS_PSA_CRYPTO_CONFIG_FILE is not working"' >"$CRYPTO_CONFIG_H"
     make CFLAGS="-I '$PWD' -DMBEDTLS_PSA_CRYPTO_CONFIG_FILE='\"psa_test_config.h\"'"
+    # Make sure this feature is enabled. We'll disable it in the next phase.
     programs/test/query_compile_time_config MBEDTLS_CMAC_C
     make clean