Add (failing) test for esm compat

packages/pg-esm-test/index.test.js

@@ -0,0 +1,10 @@
+// test/my-module.test.js
+import assert from 'node:assert'
+import { describe, it } from 'node:test'
+import { Client } from 'pg'
+
+describe('executeQuery', () => {
+  it('should return a non-empty result for a valid query', async () => {
+    assert.ok(true, 'hi')
+  })
+})

packages/pg-esm-test/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "pg-esm-test",
+  "version": "1.0.0",
+  "description": "A test module for PostgreSQL with ESM support",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "node --test"
+  },
+  "keywords": [
+    "postgres",
+    "postgresql",
+    "esm",
+    "test"
+  ],
+  "dependencies": {
+    "pg": "^8.14.1"
+  },
+  "author": "Brian M. Carlson <brian.m.carlson@gmail.com>",
+  "license": "MIT"
+}