Make sure you have Node Package Manager installed. ( https://www.npmjs.com/get-npm )
This package extends @types/nightwatch
with testRTC custom commands
npm install -D test-type-definition
or
yarn add -D test-type-definition
Configure your tsconfig.json
to add provided types to your project scope if your IDE can't see it
{
"compilerOptions": {
"types": [
"test-type-definition"
],
},
}