Fix threshold checks for MBEDTLS_X509_MAX_INTERMEDIATE_CA
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index d7e0b8c..92acd4e 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -2106,7 +2106,7 @@
# The "max_int chain" tests assume that MAX_INTERMEDIATE_CA is set to its
# default value (8)
-: ${MAX_IM_CA:='20'}
+: ${MAX_IM_CA:='19'}
MAX_IM_CA_CONFIG=$( ../scripts/config.pl get MBEDTLS_X509_MAX_INTERMEDIATE_CA)
if [ -n "$MAX_IM_CA_CONFIG" ] && [ "$MAX_IM_CA_CONFIG" -gt "$MAX_IM_CA" ]; then
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 34164a8..0dfdd61 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -7,7 +7,7 @@
#include "mbedtls/oid.h"
#include "mbedtls/base64.h"
-#if MBEDTLS_X509_MAX_INTERMEDIATE_CA >= 19
+#if MBEDTLS_X509_MAX_INTERMEDIATE_CA > 19
#error "The value of MBEDTLS_X509_MAX_INTERMEDIATE_C is larger \
than the current threshold 19. To test larger values, please \
adapt the script tests/data_files/dir-max/long.sh."