TypeError: callback is not a function
at E:\PROJECTS\MAILBOX\node_modules\web3\lib\web3\property.js:119:13
at E:\PROJECTS\MAILBOX\node_modules\web3\lib\web3\requestmanager.js:89:9
at process.nextTick (E:\PROJECTS\MAILBOX\node_modules\ganache-cli\build\ganache-core.node.cli.js:25:82155)
at process._tickCallback (internal/process/next_tick.js:61:11)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] test: mocha
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] test script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\user\AppData\Roaming\npm-cache\_logs\2019-08-20T05_20_52_103Z-debug.log