process.lando = 'browser'; sinon.stub(child, 'spawn').callsFake((cmd, args, opts) => { opts.stdio[0].should.equal('ignore'); opts.stdio[1].should.equal('pipe'); opts.stdio[2].should.equal('pipe'); return { stdout: {on: sinon.spy()}, process.lando = 'node'; sinon.stub(child, 'spawn').callsFake((cmd, args, opts) => { opts.stdio.should.equal('inherit'); return { stdout: {on: sinon.spy()},