All: Use Lerna to manage monorepo

packages/renderer/tests/test-utils.js

@@ -0,0 +1,16 @@
+// Wrap an async test in a try/catch block so that done() is always called
+// and display a proper error message instead of "unhandled promise error"
+function asyncTest(callback) {
+	return async function(done) {
+		try {
+			await callback();
+		} catch (error) {
+			console.error(error);
+			expect('good').toBe('not good', 'Test has thrown an exception - see above error');
+		} finally {
+			done();
+		}
+	};
+}
+
+module.exports = { asyncTest };