how to run cypress test

./node_modules/.bin/cypress open

cypress run --spec 'path/to/files/*.spec.js'

./node_modules/.bin/cypress run   // just cypress run wont work

npm install cypress                //takes about 3-5 minutes for entire process
./node_modules/.bin/cypress open   // just cypress run wont work

cypress run --spec path/to/file.spec.js