Fix rubocop offense and add URL validation for installations #782

	name: "[CI] Main folder"
	on:
	push:
	branches:
	- main
	pull_request:
	branches-ignore:
	- "chore/l10n*"

	env:
	CI: "true"
	RUBY_VERSION: 3.1.2
	NODE_VERSION: 16.9.1

	concurrency:
	group: ${{ github.head_ref \|\| github.ref_name }}
	cancel-in-progress: true

	jobs:
	main:
	name: Tests
	runs-on: ubuntu-latest
	timeout-minutes: 60
	steps:
	- uses: actions/checkout@v2.0.0
	with:
	fetch-depth: 1
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ env.RUBY_VERSION }}
	bundler-cache: true
	- uses: actions/setup-node@v1
	with:
	node-version: ${{ env.NODE_VERSION }}
	- name: Get npm cache directory path
	id: npm-cache-dir-path
	run: echo "::set-output name=dir::$(npm get cache)-main"
	- uses: actions/cache@v2
	id: npm-cache
	with:
	path: ${{ steps.npm-cache-dir-path.outputs.dir }}
	key: npm-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	npm-
	- name: Install JS dependencies
	run: npm ci
	- run: bundle exec rspec
	name: RSpec

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