Test migration to jest by hand

Apparently using regular expressions is way easier.

test/fibonacci/fibonacci.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const fibonacci = require('./fibonacci.js');
+
+
+  test('fibonacci is a Function', () => {
+  expect(fibonacci).toBeInstanceOf(Function);
+});
+  t.deepEqual(fibonacci(6), [0, 1, 1, 2, 3, 5], "Generates an array, containing the Fibonacci sequence");
+