Fix rspec on ruby 2.7 #39

	name: Tests

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allow job to be triggered manually.
	workflow_dispatch:

	# Cancel in-progress jobs when pushing to the same branch.
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:
	tests:
	runs-on: ${{ matrix.os }}
	strategy:

	# Run all jobs to completion (false), or cancel
	# all jobs once the first one fails (true).
	fail-fast: false

	matrix:
	os: [ "ubuntu-latest" ]
	ruby-version: [ "2.7" ]

	services:
	cratedb:
	image: crate/crate:nightly
	ports:
	- 44200:4200

	name: Ruby ${{ matrix.ruby-version }} on OS ${{ matrix.os }}
	steps:

	- name: Acquire sources
	uses: actions/checkout@v3

	- name: Setup Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	architecture: x64

	- name: Caching of Ruby gems
	uses: actions/cache@v3
	id: cache-gems
	with:
	path: vendor/bundle
	key: gems-os=${{ matrix.os }}-ruby=${{ matrix.ruby-version }}-${{ hashFiles('**/Gemfile.lock') }}

	- name: Bundle install
	run: \|
	gem install bundler
	bundle config path vendor/bundle
	bundle install

	- name: Run tests
	run: bundle exec rspec

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