Change the usage of some libraries, create interfaces and new impl #6

	name: Flutter tests
	on: [pull_request]

	jobs:
	run_flutter_unit_tests:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v2
	with:
	ref: ${{ github.head_ref }}

	- name: Setup Flutter
	uses: subosito/flutter-action@v2
	with:
	flutter-version: "3.22.1"

	- name: Install dependencies
	run: flutter pub get

	- name: Build Runner Files Generation
	run: flutter pub run build_runner build --delete-conflicting-outputs

	- run: flutter test

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