Test migration to jest by hand

Apparently using regular expressions is way easier.

test/partial/partial.test.js

@@ -0,0 +1,14 @@
+const expect = require('expect');
+const partial = require('./partial.js');
+
+
+  test('partial is a Function', () => {
+  expect(partial).toBeInstanceOf(Function);
+});
+  function greet(greeting, name) {
+    return greeting + ' ' + name + '!';
+  }
+  const greetHello = partial(greet, 'Hello');
+  t.equal(greetHello('John'), 'Hello John!', 'Prepends arguments');
+  
+