chore: modify docker_action.yml file

Author: perisicnikola37

phpunit.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd" bootstrap="vendor/autoload.php" colors="true">
   <testsuites>
-    <!-- <testsuite name="Unit">
+    <testsuite name="Unit">
       <directory suffix="Test.php">./tests/Unit</directory>
-    </testsuite> -->
+    </testsuite>
     <testsuite name="Feature">
       <directory suffix="Test.php">./tests/Feature</directory>
     </testsuite>

tests/Unit/ExampleTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tests\Unit;
+
+use PHPUnit\Framework\TestCase;
+
+class ExampleTest extends TestCase
+{
+    /**
+     * A basic test example.
+     */
+    public function test_that_true_is_true(): void
+    {
+        $this->assertTrue(true);
+    }
+}