Crash report: TypeError: options.end is not a function

[tessel-crashbot]

TypeError: options.end is not a function
    at Object.end (t2-cli/test/unit/controller.js:9:22)
    at Tessel.close (t2-cli/lib/tessel/tessel.js:32:28)
    at t2-cli/lib/controller.js:393:27
    at t2-cli/node_modules/async/dist/async.js:2158:44
    at eachOfArrayLike (t2-cli/node_modules/async/dist/async.js:504:13)
    at eachOf (t2-cli/node_modules/async/dist/async.js:555:16)
    at awaitable(eachOf) (t2-cli/node_modules/async/dist/async.js:208:32)
    at Object.eachLimit (t2-cli/node_modules/async/dist/async.js:2220:16)
    at Object.awaitable(eachLimit) (t2-cli/node_modules/async/dist/async.js:208:32)
    at t2-cli/lib/controller.js:381:11
    at new Promise (<anonymous>)
    at Object.controller.closeTesselConnections (t2-cli/lib/controller.js:380:10)
    at t2-cli/lib/controller.js:167:24
    at processTicksAndRejections (internal/process/task_queues.js:94:5)

Full report is at -0x29572f93c0e479c5