diff --git a/package.json b/package.json
index 13201f7..64ce2a8 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "cargo-build-release": "yarn -s cargo-build -- --release",
     "cargo-build": "cargo build --message-format=json-render-diagnostics",
     "copy-artifacts": "node ./scripts/copy-artifacts",
-    "test": "node test"
+    "test": "bash scripts/test.sh"
   },
   "author": "Datadog Inc. <info@datadoghq.com>",
   "license": "Apache-2.0",
diff --git a/scripts/test.sh b/scripts/test.sh
new file mode 100755
index 0000000..864f27b
--- /dev/null
+++ b/scripts/test.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -e
+
+run_test() {
+  echo "Running $1"
+  node "$1"
+}
+
+# Run top-level test files
+for f in test/*.js; do
+  run_test "$f"
+done
+
+# Run index.js in test subdirectories (except wasm)
+for d in test/*/; do
+  case "$d" in
+    *wasm*) ;;
+    *)
+      [ -f "${d}index.js" ] && run_test "${d}index.js"
+      ;;
+  esac
+done
diff --git a/test.js b/test.js
deleted file mode 100644
index 822f194..0000000
--- a/test.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict'
-
-const fs = require('fs')
-const { execSync } = require('child_process')
-
-fs.readdirSync('test')
-  .filter(file => file.endsWith('.js') || !file.includes('.'))
-  .forEach(file => {
-    if (!file.includes('wasm')) {
-      require('./test/' + file)
-    }
-  })