Fixed rubocop warnings #267

	name: Build
	on: [push]

	jobs:
	rubocop:
	name: Rubocop
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Setup Ruby and install gems
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.0.3
	bundler-cache: true
	- name: Run rubocop
	run: \|
	bundle exec rubocop --parallel
	tests:
	name: Tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby-version: [3.0.3]
	database: [sqlite, postgres, mysql]
	services:
	redis:
	image: redis
	ports:
	- 6379:6379
	postgres:
	image: postgres:13.4
	env:
	POSTGRES_HOST_AUTH_METHOD: "trust"
	ports:
	- 55432:5432
	mysql:
	image: percona:5.7.22
	env:
	MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
	ports:
	- 33306:3306
	env:
	TARGET_DB: ${{ matrix.database }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Setup Ruby and install gems
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true
	- name: Setup test database
	run: \|
	bin/rails db:setup
	- name: Run tests
	run: bin/rails test

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