TypeError: Cannot read property 'length' of undefined

[prateektiwari7]

Hi

While ruining the step npm run test I am getting this error.

` 1) Contract: Root chain - client Client transfer:
TypeError: Cannot read property 'length' of undefined
at Context._callee3$ (test/Client.js:115:38)
at tryCatch (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:65:40)
at Generator.invoke [as _invoke] (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:303:22)
at Generator.prototype.(anonymous function) [as next] (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:117:21)
at step (test/Client.js:29:191)
at test/Client.js:29:361
at process._tickCallback (internal/process/next_tick.js:68:7)

2. Contract: Root chain - client Client withdraw:
   TypeError: Cannot read property 'length' of undefined
   at Context._callee5$ (test/Client.js:165:38)
   at tryCatch (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:65:40)
   at Generator.invoke [as _invoke] (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:303:22)
   at Generator.prototype.(anonymous function) [as next] (node_modules/babel-polyfill/node_modules/regenerator-runtime/runtime.js:117:21)
   at step (test/Client.js:29:191)
   at test/Client.js:29:361
   at process._tickCallback (internal/process/next_tick.js:68:7)`

Can you please check :)