Test migration to jest by hand

Apparently using regular expressions is way easier.

test/radsToDegrees/radsToDegrees.test.js

@@ -0,0 +1,10 @@
+const expect = require('expect');
+const radsToDegrees = require('./radsToDegrees.js');
+
+
+  test('radsToDegrees is a Function', () => {
+  expect(radsToDegrees).toBeInstanceOf(Function);
+});
+  t.equal(radsToDegrees(Math.PI / 2), 90, 'Returns the appropriate value');
+  
+