Update PostModel and UserModel relationship methods, add test for Uni… #13

	name: Run Tests

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Cache dependencies
	uses: actions/cache@v4
	with:
	path: vendor
	key: dependencies-composer-${{ hashFiles('composer.json') }}

	- name: Set up PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: '8.2'
	extensions: mbstring, pdo, sqlite
	ini-values: post_max_size=256M, upload_max_filesize=256M
	coverage: none

	- name: Install Composer dependencies
	run: composer install --prefer-dist --no-progress

	- name: Run tests
	run: vendor/bin/phpunit

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