const test = require('tap').test; const fs = require('fs'); const path = require('path'); const VirtualMachine = require('../../src/virtual-machine'); global.performance = { mark () { // No-op }, measure () { throw new Error('Mock error to simulate browser garbage collecting one of the marks before this code runs'); } }; test('performance.measure() error in loadProject is ignored', async t => { const vm = new VirtualMachine(); await vm.loadProject(fs.readFileSync(path.join(__dirname, '..', 'fixtures', 'tw-empty-project.sb3'))); t.end(); });