chore: add test data

Author: Innei

test:foo/functions/say-hi.ts

@@ -0,0 +1,3 @@
+async function handler() {
+  return ''
+}

test:foo/package.json

@@ -0,0 +1,6 @@
+{
+  "dependencies": {
+    "typescript": "*",
+    "lodash": "*"
+  }
+}