diff --git a/package.json b/package.json
index 33b2f68..aa3200f 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "",
   "main": "src/index.js",
   "scripts": {
-    "test": "mocha tests/*.js"
+    "test": "mocha tests/"
   },
   "repository": {
     "type": "git",
diff --git a/tests/test_treap.js b/tests/treap.test.js
similarity index 100%
rename from tests/test_treap.js
rename to tests/treap.test.js