add 2 tests, factorial and fibonacci

NOTE: factorial doesn't work, see the issues tab for more info

test/fibonacci/fibonacci.test.js

@@ -5,6 +5,7 @@ test('Testing fibonacci', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof fibonacci === 'function', 'fibonacci is a Function');
+	t.deepEqual(fibonacci(6), [0, 1, 1, 2, 3, 5], "Generates an array, containing the Fibonacci sequence");
 	//t.deepEqual(fibonacci(args..), 'Expected');
 	//t.equal(fibonacci(args..), 'Expected');
 	//t.false(fibonacci(args..), 'Expected');