test: make 'npm test' use Chrome, others use ChromeHeadless
test: make 'npm test' use Chrome, others use ChromeHeadless

cmgustavo/copay,matiu/copay,gabrielbazan7/copay,matiu/copay,matiu/copay,gabrielbazan7/copay,matiu/copay,bitjson/copay,fr34k8/copay,bitjson/copay,fr34k8/copay,fr34k8/copay,gabrielbazan7/copay,cmgustavo/copay,gabrielbazan7/copay,msalcala11/copay,cmgustavo/copay,msalcala11/copay,bitjson/copay,msalcala11/copay,cmgustavo/copay,msalcala11/copay,fr34k8/copay,bitjson/copay