Test migration to jest by hand

Apparently using regular expressions is way easier.

test/spreadOver/spreadOver.test.js

@@ -0,0 +1,10 @@
+const expect = require('expect');
+const spreadOver = require('./spreadOver.js');
+
+
+  test('spreadOver is a Function', () => {
+  expect(spreadOver).toBeInstanceOf(Function);
+});
+  const arrayMax = spreadOver(Math.max);
+  t.equal(arrayMax([1, 2, 3]), 3, "Takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function.");
+