diff --git a/src/utils/btree.test.ts b/tests/utils/btree.test.ts
similarity index 99%
rename from src/utils/btree.test.ts
rename to tests/utils/btree.test.ts
index 5a49772..06bf850 100644
--- a/src/utils/btree.test.ts
+++ b/tests/utils/btree.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect, beforeEach } from 'vitest';
-import { BPlusTree } from './btree.js';
+import { BPlusTree } from '../../src/utils/btree.js';
 
 describe('BPlusTree', () => {
   let tree: BPlusTree<number, string>;