test: fix sanity.test.js invalid escape and indentation

Author: haolinwa

test/sanity.test.js

@@ -2,6 +2,6 @@
 const { expect } = require('chai');
 
 describe('sanity', () => {
-\tit('runs', () => expect(true).to.equal(true));
+	it('runs', () => expect(true).to.equal(true));
 });