Test cleanup and fixes [s-t]

test/sleep/sleep.test.js

@@ -1,13 +1,12 @@
 const expect = require('expect');
 const sleep = require('./sleep.js');
 
-
-  test('sleep is a Function', () => {
+test('sleep is a Function', () => {
   expect(sleep).toBeInstanceOf(Function);
 });
+test('Works as expected', () => {
   async function sleepyWork() {
     await sleep(1000);
-    
+    expect(true).toBeTruthy();
   }
-  
-
+});