Ao executar o comando do título da dúvida, retorna o seguinte erro:
PS C:\Users\user\Tutoriais\Alura\Angular\alurapic> ng serve --open
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
Date: 2018-08-29T18:01:27.992Z
Hash: ed563752b25308dcc192
Time: 21457ms
chunk {main} main.js, main.js.map (main) 56.4 kB [initial] [rendered]
chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 227 kB [initial] [rendered]
chunk {runtime} runtime.js, runtime.js.map (runtime) 6.22 kB [entry] [rendered]
chunk {styles} styles.js, styles.js.map (styles) 159 kB [initial] [rendered]
chunk {vendor} vendor.js, vendor.js.map (vendor) 3.97 MB [initial] [rendered]
ERROR in ./node_modules/selenium-webdriver/http/index.js
Module not found: Error: Can't resolve 'http' in 'C:\Users\user\Tutoriais\Alura\Angular\alurapic\node_modules\selenium-webdriver\http'
ERROR in ./node_modules/selenium-webdriver/http/index.js
Module not found: Error: Can't resolve 'https' in 'C:\Users\user\Tutoriais\Alura\Angular\alurapic\node_modules\selenium-webdriver\http'
i ｢wdm｣: Failed to compile.RESOLVIDO!
