Can we read data from .env.testing file to a controller

I am inheriting a variable from seeder to controller by using providers but can i read value from .env.testing if i initialise and declare the variable in .env.testing

Does this help

const Env = use('Env')
Env.get('APP_SECRET')

Got it from

https://adonisjs.com/docs/4.0/configuration-and-env#_environment_variables

Thank you so much sir