Test migration to jest by hand

Apparently using regular expressions is way easier.

test/isPrime/isPrime.js

@@ -0,0 +1,6 @@
+const isPrime = num => {
+const boundary = Math.floor(Math.sqrt(num));
+for (var i = 2; i <= boundary; i++) if (num % i === 0) return false;
+return num >= 2;
+};
+module.exports = isPrime;

test/isPrime/isPrime.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const isPrime = require('./isPrime.js');
+
+
+  test('isPrime is a Function', () => {
+  expect(isPrime).toBeInstanceOf(Function);
+});
+  t.equal(isPrime(11), true, "passed number is a prime");
+