chore: fix example test code for starter and module

Author: kenjis

admin/module/tests/database/ExampleDatabaseTest.php

@@ -1,18 +1,18 @@
 <?php
 
+use CodeIgniter\Test\CIUnitTestCase;
+use CodeIgniter\Test\DatabaseTestTrait;
+use Tests\Support\Database\Seeds\ExampleSeeder;
 use Tests\Support\Models\ExampleModel;
 
 /**
  * @internal
  */
-final class ExampleDatabaseTest extends \Tests\Support\DatabaseTestCase
+final class ExampleDatabaseTest extends CIUnitTestCase
 {
-    protected function setUp(): void
-    {
-        parent::setUp();
+    use DatabaseTestTrait;
 
-        // Extra code to run before each test
-    }
+    protected $seed = ExampleSeeder::class;
 
     public function testModelFindAll()
     {

admin/module/tests/session/ExampleSessionTest.php

@@ -1,21 +1,18 @@
 <?php
 
+use CodeIgniter\Test\CIUnitTestCase;
+use Config\Services;
+
 /**
  * @internal
  */
-final class ExampleSessionTest extends \Tests\Support\SessionTestCase
+final class ExampleSessionTest extends CIUnitTestCase
 {
-    protected function setUp(): void
-    {
-        parent::setUp();
-    }
-
     public function testSessionSimple()
     {
-        $this->session->set('logged_in', 123);
-
-        $value = $this->session->get('logged_in');
+        $session = Services::session();
 
-        $this->assertSame(123, $value);
+        $session->set('logged_in', 123);
+        $this->assertSame(123, $session->get('logged_in'));
     }
 }

admin/starter/tests/database/ExampleDatabaseTest.php

@@ -2,6 +2,7 @@
 
 use CodeIgniter\Test\CIUnitTestCase;
 use CodeIgniter\Test\DatabaseTestTrait;
+use Tests\Support\Database\Seeds\ExampleSeeder;
 use Tests\Support\Models\ExampleModel;
 
 /**
@@ -11,6 +12,8 @@ final class ExampleDatabaseTest extends CIUnitTestCase
 {
     use DatabaseTestTrait;
 
+    protected $seed = ExampleSeeder::class;
+
     public function testModelFindAll()
     {
         $model = new ExampleModel();

admin/starter/tests/session/ExampleSessionTest.php

@@ -1,6 +1,7 @@
 <?php
 
 use CodeIgniter\Test\CIUnitTestCase;
+use Config\Services;
 
 /**
  * @internal
@@ -9,7 +10,9 @@ final class ExampleSessionTest extends CIUnitTestCase
 {
     public function testSessionSimple()
     {
-        $this->session->set('logged_in', 123);
-        $this->assertSame(123, $this->session->get('logged_in'));
+        $session = Services::session();
+
+        $session->set('logged_in', 123);
+        $this->assertSame(123, $session->get('logged_in'));
     }
 }