fix: make tests work with new trie

trie/include/trie.h

@@ -81,6 +81,18 @@ TrieExitCode trie_search(Trie *trie, void **data_ptr, const char *key);
 TrieExitCode trie_add(Trie *trie, const char *key, void *data,
                       uint64_t data_len);
 
+/**
+ * Same as trie_add, but copy the data instead of taking over ownership of the
+ * pointer.
+ *
+ * @param trie
+ * @param key key to represent entry with
+ * @param entry entry to add
+ * @return 0 if added, 1 if already in trie, something else if other errors
+ */
+TrieExitCode trie_add_copy(Trie *trie, const char *key, void *data,
+                           uint64_t data_len);
+
 /**
  * Add an entry by generating a random string as the key.
  *