add php testing

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

Makefile

@@ -1,8 +1,11 @@
 
 composer:
-	composer install --no-progress --profile --prefer-dist
+	composer install
 
 yarn:
 	yarn install
 
+test:
+	./vendor/bin/phpunit
+
 install: composer yarn

tests/Feature/UserTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class UserTest extends TestCase
+{
+    /**
+     * A basic test example.
+     *
+     * @return void
+     */
+    public function testExample()
+    {
+        $this->assertTrue(true);
+    }
+}