added github sponsorship information

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+github: JoshuaWise
+patreon: joshuawise
+custom: "https://www.paypal.me/joshuathomaswise"

README.md

@@ -13,6 +13,7 @@ The fastest and simplest library for SQLite3 in Node.js.
 
 `better-sqlite3` is used by thousands of developers and engineers on a daily basis. Long nights and weekends were spent keeping this project strong and dependable, with no ask for compensation or funding, until now. If your company uses `better-sqlite3`, ask your manager to consider supporting the project:
 
+- [Become a GitHub sponsor](https://github.com/sponsors/JoshuaWise)
 - [Become a backer on Patreon](https://www.patreon.com/joshuawise)
 - [Make a one-time donation on PayPal](https://www.paypal.me/joshuathomaswise)
 

test/44.worker-threads.js

@@ -6,12 +6,13 @@ if (parseInt(process.versions.node) >= 12) {
 	if (threads.isMainThread) {
 		describe('Worker Threads', function () {
 			afterEach(function () {
+				if (this.db) this.db.close();
 				return this.cleanup;
 			});
 			it('are properly supported', function () {
 				this.slow(1000);
 				return new Promise((resolve, reject) => {
-					const db = Database(util.next()).defaultSafeIntegers();
+					const db = this.db = Database(util.next()).defaultSafeIntegers();
 					expect(db.prepare('select 555').constructor.foo).to.be.undefined;
 					db.prepare('select 555').constructor.foo = 5;
 					expect(db.prepare('select 555').constructor.foo).to.equal(5);