                        oauth2: new XOAuth2({
                            user: 'testuser',
                            accessToken: 'invalid'
                        })
                    },
                    function(err) {
                        expect(err).to.exist;
                        expect(client.authenticated).to.be.false;
                        expect(err.code).to.equal('EAUTH');
                        done();
                    }
                );
            });
The software constructs a string for a command to executed by a separate component
in another control sphere, but it does not properly delimit the
intended arguments, options, or switches within that command string.