test_table_resize.template:118:21: error: format not a string literal and no format arguments [-Werror=format-security]
  118 |                     ck_assert_msg(check != NULL, message);
      |                     ^~~~~~~~~~~~~

--- a/tests/unit/test_table_resize.c
+++ b/tests/unit/test_table_resize.c
@@ -61,7 +61,6 @@
 static char *table_filename = "fixtures/test_table_resize.tbl";
 
 #define HEADER_LEN 256
-#define MESSAGE_LEN 1024
 
 START_TEST(test_table_resize)
 {
@@ -70,13 +69,11 @@
     table_t *new_table;
     char *check;
     char *header;
-    char *message;
     int i, j;
     int size;
     int use_hash;
 
     header = malloc(HEADER_LEN);
-    message = malloc(MESSAGE_LEN);
 
     for (use_hash = 0; use_hash <= 1; use_hash++) {
         table = parse_table(table_filename);
@@ -115,22 +112,17 @@
 #ifdef DEBUG
                 printf("\t0x%04x -> \"%s\"\n", values[j].value, check);
 #endif
-                snprintf(
-                    message,
-                    MESSAGE_LEN,
+
+                ck_assert_msg(
+                    values[j].expected != NULL ?
+                        check != NULL && strcmp(check, values[j].expected) == 0 :
+                        check == NULL,
                     "%s, value = 0x%04X, expected = %s, output = %s",
                     header,
                     values[j].value,
                     values[j].expected,
                     check
                 );
-
-                if (values[j].expected != NULL) {
-                    ck_assert_msg(check != NULL, message);
-                    ck_assert_msg(strcmp(check, values[j].expected) == 0, message);
-                } else {
-                    ck_assert_msg(check == NULL, message);
-                }
             }
         }