Test Runner MCP

test('basic addition test', () => { expect(2 + 2).toBe(4); }); test('string test', () => { expect('hello'.toUpperCase()).toBe('HELLO'); }); test('list test', () => { const list = [1, 2, 3]; expect(list.length).toBe(3); }); test('test with output', () => { console.log('some test output'); expect(true).toBe(true); });