fix tests, use image fixture instead of tmp file #2

	name: Tests

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

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ruby-version: ['3.1', '3.2', '3.3', '3.4']
	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true
	- name: Configure git user name, email
	run: \|
	git config --global user.name $NAME
	git config --global user.email $EMAIL
	env:
	NAME: "George Costanza"
	EMAIL: "[email protected]"
	- name: Run tests
	run: bundle exec rake test

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