Added remaining tests

test/delay/delay.test.js

@@ -5,9 +5,16 @@ test('Testing delay', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof delay === 'function', 'delay is a Function');
+  delay(
+    function(text) {
+      t.equals(text, 'test', 'Works as expecting, passing arguments properly');
+    },
+    1000,
+    'test'
+  );
   //t.deepEqual(delay(args..), 'Expected');
   //t.equal(delay(args..), 'Expected');
   //t.false(delay(args..), 'Expected');
   //t.throws(delay(args..), 'Expected');
   t.end();
-});
+});