Initial tests

tests/ContractTest.php

@@ -0,0 +1,6 @@
+<?php
+use PHPUnit\Framework\TestCase;
+
+class ContractTest extends TestCase {
+  public function test
+}

tests/ServiceTest.php

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+<?php
+use PHPUnit\Framework\TestCase;
+use App\Service\Auth;
+
+class ServiceTest extends TestCase {
+  protected $service;
+  public function setUp() {
+    $this->service = new Auth();
+  }
+}