FIX: last ignore

.gitignore

@@ -1,3 +1,6 @@
 # Composer
 /vendor/
 composer.lock
+
+# PHPUnit
+.phpunit.result.*

app/Contract/Auth.php

@@ -9,7 +9,7 @@ class Auth
 	{
 		return new AuthService();
 	}
-	protected $instance;
+	protected static $instance;
 	protected static function getInstance() {
 		if (self::$instance === null) {
 			self::$instance = self::newInstance();

composer.json

@@ -10,6 +10,7 @@
         }
     ],
     "require": {
+        "nesbot/carbon": "^2.45"
     },
     "require-dev": {
       "phpunit/phpunit": "^8"

phpunit.xml

@@ -0,0 +1,10 @@
+<phpunit
+  colors="true"
+  verbose="true"
+  >
+  <testsuites>
+    <testsuite name="Config Tests">
+      <directory>tests</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>

tests/ContractTest.php

@@ -0,0 +1,9 @@
+<?php
+use PHPUnit\Framework\TestCase;
+use App\contract\Auth;
+
+class ContractTest extends TestCase {
+  public function testContract() {
+    Auth::logout();
+  }
+}

tests/ServiceTest.php

@@ -0,0 +1,10 @@
+<?php
+use PHPUnit\Framework\TestCase;
+use App\Service\Auth;
+
+class ServiceTest extends TestCase {
+  public function testLoad() {
+    $this->service = new Auth();
+    $this->assertTrue($this->service != false);
+  }
+}