When I am running npm run test (mocha), I am getting this message.
 Using following: npm install --save mocha ganache-cli [email protected]
 Please advice.

     
    
    > [email protected] test C:\Smart
    > mocha
    
    Error: Cannot find module 'web3'
        at Function.Module._resolveFilename (module.js:547:15)
        at Function.Module._load (module.js:474:25)
        at Module.require (module.js:596:17)
        at require (internal/module.js:11:18)
        at Object.<anonymous> (C:\Smart\test\inbox.test.js:3:14)
        at Module._compile (module.js:652:30)
        at Object.Module._extensions..js (module.js:663:10)
        at Module.load (module.js:565:32)
        at tryModuleLoad (module.js:505:12)
        at Function.Module._load (module.js:497:3)
        at Module.require (module.js:596:17)
        at require (internal/module.js:11:18)
        at C:\Smart\node_modules\mocha\lib\mocha.js:253:27
        at Array.forEach (<anonymous>)
        at Mocha.loadFiles (C:\Smart\node_modules\mocha\lib\mocha.js:250:14)
        at Mocha.run (C:\Smart\node_modules\mocha\lib\mocha.js:577:10)
        at Object.<anonymous> (C:\Smart\node_modules\mocha\bin\_mocha:591:18)
        at Module._compile (module.js:652:30)
        at Object.Module._extensions..js (module.js:663:10)
        at Module.load (module.js:565:32)
        at tryModuleLoad (module.js:505:12)
        at Function.Module._load (module.js:497:3)
        at Function.Module.runMain (module.js:693:10)
        at startup (bootstrap_node.js:188:16)
        at bootstrap_node.js:609:3
    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: