refactor: support inrupt coding standards

test/.eslintrc.js

@@ -0,0 +1,5 @@
+module.exports = {
+  env: {
+    jest: true
+  }
+};

test/index.ts

@@ -1,5 +1,5 @@
-describe('A basic test', () => {
-  it('to have something pass', () => {
+describe('A basic test', (): void => {
+  it('to have something pass.', async (): Promise<void> => {
     expect(true).toBeTruthy();
   });
 });