diff --git a/README.md b/README.md
index 5b516ae..655fc19 100644
--- a/README.md
+++ b/README.md
@@ -38,21 +38,21 @@ composer cloc
 ```
 ➜  playground-test git:(develop) ✗ composer cloc
 > cloc --exclude-dir=output,vendor .
-     137 text files.
-      79 unique files.
-      59 files ignored.
+     151 text files.
+      88 unique files.
+      64 files ignored.
 
-github.com/AlDanial/cloc v 1.98  T=0.10 s (778.8 files/s, 87486.7 lines/s)
+github.com/AlDanial/cloc v 1.98  T=0.11 s (795.4 files/s, 87907.6 lines/s)
 -------------------------------------------------------------------------------
 Language                     files          blank        comment           code
 -------------------------------------------------------------------------------
-PHP                             70           1556           1754           4816
+PHP                             79           1703           2037           5209
 XML                              4              0             15            294
-YAML                             1              5              0            249
+YAML                             1              5              0            275
 Markdown                         3             35              0             88
-JSON                             1              0              0             63
+JSON                             1              0              0             65
 -------------------------------------------------------------------------------
-SUM:                            79           1596           1769           5510
+SUM:                            88           1743           2052           5931
 -------------------------------------------------------------------------------
 ```
 
diff --git a/composer.json b/composer.json
index 87bad1c..b3c7b7a 100644
--- a/composer.json
+++ b/composer.json
@@ -18,10 +18,12 @@
     ],
     "require": {
         "php": "^8.2",
+        "brianium/paratest": "^7.4",
         "fakerphp/faker": "^1.23",
         "friendsofphp/php-cs-fixer": "^3.41",
         "larastan/larastan": "^2.0",
         "laravel/sanctum": "^4.0",
+        "nunomaduro/collision": "^8.0",
         "orchestra/testbench": "9.*",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpunit/phpunit": "^11.0",
diff --git a/database/factories/DemoFactory.php b/database/factories/DemoFactory.php
new file mode 100644
index 0000000..2f12229
--- /dev/null
+++ b/database/factories/DemoFactory.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * Playground
+ */
+namespace Database\Factories\Playground\Test\Models;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Str;
+use Playground\Test\Models\Demo;
+
+/**
+ * \Database\Factories\Playground\Test\Models\DemoFactory
+ *
+ * @extends Factory<Demo>
+ */
+class DemoFactory extends Factory
+{
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var class-string<Demo>
+     */
+    protected $model = Demo::class;
+
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        $title = $this->faker->sentence(3);
+
+        return [
+            'label' => $this->faker->sentence(3),
+            'title' => $title,
+            'slug' => Str::slug($title, '-'),
+            'description' => $this->faker->sentence(3),
+            'introduction' => $this->faker->sentence(3),
+            'content' => $this->faker->sentence(3),
+            'summary' => $this->faker->sentence(3),
+        ];
+    }
+}
diff --git a/database/factories/WidgetFactory.php b/database/factories/WidgetFactory.php
new file mode 100644
index 0000000..7c729f5
--- /dev/null
+++ b/database/factories/WidgetFactory.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * Playground
+ */
+namespace Database\Factories\Playground\Test\Models;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Str;
+use Playground\Test\Models\Widget;
+
+/**
+ * \Database\Factories\Playground\Test\Models\WidgetFactory
+ *
+ * @extends Factory<Widget>
+ */
+class WidgetFactory extends Factory
+{
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var class-string<Widget>
+     */
+    protected $model = Widget::class;
+
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        $title = $this->faker->sentence(3);
+
+        return [
+            'label' => $this->faker->sentence(3),
+            'title' => $title,
+            'slug' => Str::slug($title, '-'),
+            'description' => $this->faker->sentence(3),
+            'introduction' => $this->faker->sentence(3),
+            'content' => $this->faker->sentence(3),
+            'summary' => $this->faker->sentence(3),
+        ];
+    }
+}
diff --git a/database/migrations-testing/9999_00_00_100001_create_testing_demo_table.php b/database/migrations-testing/9999_00_00_100001_create_testing_demo_table.php
new file mode 100644
index 0000000..6596c1e
--- /dev/null
+++ b/database/migrations-testing/9999_00_00_100001_create_testing_demo_table.php
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Playground
+ */
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * \Playground\Matrix\Models\Tag
+ */
+return new class() extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('testing_demo', function (Blueprint $table) {
+
+            // Primary key
+
+            $table->uuid('id')->primary();
+
+            // IDs
+
+            $table->uuid('created_by_id')->nullable()->index();
+            $table->uuid('modified_by_id')->nullable()->index();
+            $table->uuid('owned_by_id')->nullable()->index();
+            $table->uuid('parent_id')->nullable()->index();
+            $table->string('demo_type')->nullable()->index();
+
+            // Dates
+
+            $table->timestamps();
+
+            $table->softDeletes();
+
+            // Permissions
+
+            $table->bigInteger('gids')->default(0)->unsigned();
+            $table->tinyInteger('po')->default(0)->unsigned();
+            $table->tinyInteger('pg')->default(0)->unsigned();
+            $table->tinyInteger('pw')->default(0)->unsigned();
+            $table->boolean('only_admin')->default(0);
+            $table->boolean('only_user')->default(0);
+            $table->boolean('only_guest')->default(0);
+            $table->boolean('allow_public')->default(0);
+
+            // Status
+
+            $table->bigInteger('status')->default(0)->unsigned();
+            $table->bigInteger('rank')->default(0);
+            $table->bigInteger('size')->default(0);
+
+            // Matrix
+
+            $table->json('matrix')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->bigInteger('x')->nullable();
+            $table->bigInteger('y')->nullable();
+            $table->bigInteger('z')->nullable();
+            $table->decimal('r', 65, 10)->nullable();
+            $table->decimal('theta', 10, 6)->nullable();
+            $table->decimal('rho', 10, 6)->nullable();
+            $table->decimal('phi', 10, 6)->nullable();
+            $table->decimal('elevation', 65, 10)->nullable();
+            $table->decimal('latitude', 8, 6)->nullable();
+            $table->decimal('longitude', 9, 6)->nullable();
+
+            // Flags
+
+            $table->boolean('active')->default(1)->index();
+            $table->boolean('flagged')->default(0);
+            $table->boolean('internal')->default(0);
+            $table->boolean('locked')->default(0);
+            $table->boolean('unknown')->default(0);
+
+            // Columns
+
+            $table->string('label', 128)->default('');
+            $table->string('title', 255)->default('');
+            $table->string('byline', 255)->default('');
+            $table->string('slug', 128)->nullable()->index();
+            $table->string('url', 512)->default('');
+            $table->string('description', 512)->default('');
+            $table->string('introduction', 512)->default('');
+            $table->mediumText('content')->nullable();
+            $table->mediumText('summary')->nullable();
+
+            // Ui
+
+            $table->string('icon', 128)->default('');
+            $table->string('image', 512)->default('');
+            $table->string('avatar', 512)->default('');
+            $table->json('ui')->nullable()->default(new Expression('(JSON_OBJECT())'));
+
+            // JSON
+
+            $table->json('assets')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('meta')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('notes')->nullable()->default(new Expression('(JSON_ARRAY())'))->comment('Array of note objects');
+            $table->json('options')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('sources')->nullable()->default(new Expression('(JSON_OBJECT())'));
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('testing_demo');
+    }
+};
diff --git a/database/migrations-testing/9999_00_00_100001_create_testing_widgets.php b/database/migrations-testing/9999_00_00_100001_create_testing_widgets.php
new file mode 100644
index 0000000..d8f0771
--- /dev/null
+++ b/database/migrations-testing/9999_00_00_100001_create_testing_widgets.php
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Playground
+ */
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * \Playground\Matrix\Models\Tag
+ */
+return new class() extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('testing_widgets', function (Blueprint $table) {
+
+            // Primary key
+
+            $table->uuid('id')->primary();
+
+            // IDs
+
+            $table->uuid('created_by_id')->nullable()->index();
+            $table->uuid('modified_by_id')->nullable()->index();
+            $table->uuid('owned_by_id')->nullable()->index();
+            $table->uuid('parent_id')->nullable()->index();
+            $table->string('widget_type')->nullable()->index();
+            $table->uuid('demo_id')->nullable()->index();
+
+            // Dates
+
+            $table->timestamps();
+
+            $table->softDeletes();
+
+            // Permissions
+
+            $table->bigInteger('gids')->default(0)->unsigned();
+            $table->tinyInteger('po')->default(0)->unsigned();
+            $table->tinyInteger('pg')->default(0)->unsigned();
+            $table->tinyInteger('pw')->default(0)->unsigned();
+            $table->boolean('only_admin')->default(0);
+            $table->boolean('only_user')->default(0);
+            $table->boolean('only_guest')->default(0);
+            $table->boolean('allow_public')->default(0);
+
+            // Status
+
+            $table->bigInteger('status')->default(0)->unsigned();
+            $table->bigInteger('rank')->default(0);
+            $table->bigInteger('size')->default(0);
+
+            // Matrix
+
+            $table->json('matrix')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->bigInteger('x')->nullable();
+            $table->bigInteger('y')->nullable();
+            $table->bigInteger('z')->nullable();
+            $table->decimal('r', 65, 10)->nullable();
+            $table->decimal('theta', 10, 6)->nullable();
+            $table->decimal('rho', 10, 6)->nullable();
+            $table->decimal('phi', 10, 6)->nullable();
+            $table->decimal('elevation', 65, 10)->nullable();
+            $table->decimal('latitude', 8, 6)->nullable();
+            $table->decimal('longitude', 9, 6)->nullable();
+
+            // Flags
+
+            $table->boolean('active')->default(1)->index();
+            $table->boolean('flagged')->default(0);
+            $table->boolean('internal')->default(0);
+            $table->boolean('locked')->default(0);
+            $table->boolean('unknown')->default(0);
+
+            // Columns
+
+            $table->string('label', 128)->default('');
+            $table->string('title', 255)->default('');
+            $table->string('byline', 255)->default('');
+            $table->string('slug', 128)->nullable()->index();
+            $table->string('url', 512)->default('');
+            $table->string('description', 512)->default('');
+            $table->string('introduction', 512)->default('');
+            $table->mediumText('content')->nullable();
+            $table->mediumText('summary')->nullable();
+
+            // Ui
+
+            $table->string('icon', 128)->default('');
+            $table->string('image', 512)->default('');
+            $table->string('avatar', 512)->default('');
+            $table->json('ui')->nullable()->default(new Expression('(JSON_OBJECT())'));
+
+            // JSON
+
+            $table->json('assets')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('meta')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('notes')->nullable()->default(new Expression('(JSON_ARRAY())'))->comment('Array of note objects');
+            $table->json('options')->nullable()->default(new Expression('(JSON_OBJECT())'));
+            $table->json('sources')->nullable()->default(new Expression('(JSON_OBJECT())'));
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('testing_widgets');
+    }
+};
diff --git a/src/Models/Demo.php b/src/Models/Demo.php
new file mode 100644
index 0000000..4a063f0
--- /dev/null
+++ b/src/Models/Demo.php
@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * Playground
+ */
+namespace Playground\Test\Models;
+
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Playground\Models\Model;
+
+/**
+ * \Playground\Test\Models\Demo
+ *
+ * @property string $id
+ * @property ?scalar $created_by_id
+ * @property ?scalar $modified_by_id
+ * @property ?scalar $owned_by_id
+ * @property ?string $parent_id
+ * @property ?string $demo_type
+ * @property ?Carbon $created_at
+ * @property ?Carbon $updated_at
+ * @property ?Carbon $deleted_at
+ * @property int $gids
+ * @property int $po
+ * @property int $pg
+ * @property int $pw
+ * @property bool $only_admin
+ * @property bool $only_user
+ * @property bool $only_guest
+ * @property bool $allow_public
+ * @property int $status
+ * @property int $rank
+ * @property int $size
+ * @property ?array $matrix
+ * @property ?int $x
+ * @property ?int $y
+ * @property ?int $z
+ * @property ?double $r
+ * @property ?double $theta
+ * @property ?double $rho
+ * @property ?double $phi
+ * @property ?double $elevation
+ * @property ?double $latitude
+ * @property ?double $longitude
+ * @property bool $active
+ * @property bool $flagged
+ * @property bool $internal
+ * @property bool $locked
+ * @property bool $unknown
+ * @property string $label
+ * @property string $title
+ * @property string $byline
+ * @property ?string $slug
+ * @property string $url
+ * @property string $description
+ * @property string $introduction
+ * @property ?string $content
+ * @property ?string $summary
+ * @property string $icon
+ * @property string $image
+ * @property string $avatar
+ * @property ?array $ui
+ * @property ?array $assets
+ * @property ?array $meta
+ * @property ?array $notes
+ * @property ?array $options
+ * @property ?array $sources
+ */
+class Demo extends Model
+{
+    protected $table = 'testing_demo';
+
+    /**
+     * The widgets of the demo.
+     *
+     * @return HasMany<Widget>
+     */
+    public function widgets(): HasMany
+    {
+        return $this->hasMany(
+            Widget::class,
+            'demo_id',
+            'id'
+        );
+    }
+}
diff --git a/src/Models/UserWithRole.php b/src/Models/UserWithRole.php
index 4360af0..f21c59a 100644
--- a/src/Models/UserWithRole.php
+++ b/src/Models/UserWithRole.php
@@ -25,7 +25,6 @@ class UserWithRole extends AbstractUser
     protected $attributes = [
         'name' => '',
         'email' => '',
-        'password' => '',
         'role' => '',
     ];
 
diff --git a/src/Models/Widget.php b/src/Models/Widget.php
new file mode 100644
index 0000000..17f7677
--- /dev/null
+++ b/src/Models/Widget.php
@@ -0,0 +1,88 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * Playground
+ */
+namespace Playground\Test\Models;
+
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Playground\Models\Model;
+
+/**
+ * \Playground\Test\Models\Widget
+ *
+ * @property string $id
+ * @property ?scalar $created_by_id
+ * @property ?scalar $modified_by_id
+ * @property ?scalar $owned_by_id
+ * @property ?string $parent_id
+ * @property ?string $widget_type
+ * @property ?string $demo_id
+ * @property ?Carbon $created_at
+ * @property ?Carbon $updated_at
+ * @property ?Carbon $deleted_at
+ * @property int $gids
+ * @property int $po
+ * @property int $pg
+ * @property int $pw
+ * @property bool $only_admin
+ * @property bool $only_user
+ * @property bool $only_guest
+ * @property bool $allow_public
+ * @property int $status
+ * @property int $rank
+ * @property int $size
+ * @property ?array $matrix
+ * @property ?int $x
+ * @property ?int $y
+ * @property ?int $z
+ * @property ?double $r
+ * @property ?double $theta
+ * @property ?double $rho
+ * @property ?double $phi
+ * @property ?double $elevation
+ * @property ?double $latitude
+ * @property ?double $longitude
+ * @property bool $active
+ * @property bool $flagged
+ * @property bool $internal
+ * @property bool $locked
+ * @property bool $unknown
+ * @property string $label
+ * @property string $title
+ * @property string $byline
+ * @property ?string $slug
+ * @property string $url
+ * @property string $description
+ * @property string $introduction
+ * @property ?string $content
+ * @property ?string $summary
+ * @property string $icon
+ * @property string $image
+ * @property string $avatar
+ * @property ?array $ui
+ * @property ?array $assets
+ * @property ?array $meta
+ * @property ?array $notes
+ * @property ?array $options
+ * @property ?array $sources
+ */
+class Widget extends Model
+{
+    protected $table = 'testing_widgets';
+
+    /**
+     * The demo of the widget.
+     *
+     * @return HasOne<Demo>
+     */
+    public function demo(): HasOne
+    {
+        return $this->hasOne(
+            Demo::class,
+            'id',
+            'demo_id'
+        );
+    }
+}
diff --git a/src/OrchestraTestCase.php b/src/OrchestraTestCase.php
index 04db9d7..a41b0f0 100644
--- a/src/OrchestraTestCase.php
+++ b/src/OrchestraTestCase.php
@@ -6,6 +6,7 @@
  */
 namespace Playground\Test;
 
+use Illuminate\Support\Carbon;
 use Orchestra\Testbench\TestCase as Orchestra;
 
 /**
@@ -14,4 +15,145 @@
 abstract class OrchestraTestCase extends Orchestra
 {
     use WithFaker;
+
+    protected bool $setTestNow = true;
+
+    protected bool $setUpUserCredentials = true;
+
+    protected bool $setUpUserForAdmin = false;
+
+    protected bool $setUpUserForLaravel = false;
+
+    protected bool $setUpUserForLaravelSanctum = false;
+
+    protected bool $setUpUserForPlayground = false;
+
+    protected bool $setUpUserForPlaygroundSanctum = false;
+
+    protected bool $setUpUserForPolicy = false;
+
+    protected bool $setUpUserForPrivileges = false;
+
+    protected bool $setUpUserForRoles = false;
+
+    /**
+     * Setup the test environment.
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        if ($this->setTestNow) {
+            Carbon::setTestNow(Carbon::now());
+        }
+    }
+
+    /**
+     * Define environment setup.
+     *
+     * Verification:
+     * - admin: $user->isAdmin()
+     * - policy: $user->can()
+     * - privileges: $user->hasPrivilege()
+     * - roles: $user->hasRole()
+     * - sanctum: $user->currentAccessToken()->can()
+     * - user: ! empty($user)
+     *
+     * @param  \Illuminate\Foundation\Application  $app
+     * @return void
+     */
+    protected function defineEnvironment($app)
+    {
+        $verify = '';
+        $userModel = '';
+
+        $sanctum = false;
+        $hasPrivilege = false;
+        $userPrivileges = false;
+        $hasRole = false;
+        $userRole = false;
+        $userRoles = false;
+
+        $password = env('AUTH_TESTING_PASSWORD', 'password');
+        $hashed = boolval(env('AUTH_TESTING_HASHED', false));
+
+        if ($this->setUpUserForPlayground) {
+
+            $userModel = 'Playground\\Models\\User';
+
+            $verify = 'roles';
+
+            $hasPrivilege = true;
+            $userPrivileges = true;
+            $hasRole = true;
+            $userRole = true;
+            $userRoles = true;
+
+        } elseif ($this->setUpUserForPlaygroundSanctum) {
+
+            $userModel = 'Playground\\Test\\Models\\PlaygroundUserWithSanctum';
+
+            $verify = 'sanctum';
+
+            $sanctum = true;
+            $hasPrivilege = true;
+            $userPrivileges = true;
+            $hasRole = true;
+            $userRole = true;
+            $userRoles = true;
+
+        } elseif ($this->setUpUserForLaravel) {
+
+            $userModel = 'Playground\\Test\\Models\\DefaultUser';
+            $verify = 'user';
+
+        } elseif ($this->setUpUserForAdmin) {
+
+            $userModel = 'Playground\\Models\\User';
+            $verify = 'admin';
+
+        } elseif ($this->setUpUserForPolicy) {
+
+            $userModel = 'Playground\\Models\\User';
+            $verify = 'privileges';
+
+        } elseif ($this->setUpUserForPrivileges) {
+
+            $userModel = 'Playground\\Models\\User';
+            $verify = 'policy';
+
+        } elseif ($this->setUpUserForRoles) {
+
+            $userModel = 'Playground\\Models\\User';
+            $verify = 'roles';
+
+        } elseif ($this->setUpUserForLaravelSanctum) {
+
+            $userModel = 'Playground\\Test\\Models\\DefaultUser';
+
+            $verify = 'sanctum';
+
+            $sanctum = false;
+        }
+
+        if ($userModel) {
+            $app['config']->set('auth.providers.users.model', $userModel);
+        }
+
+        if ($this->setUpUserCredentials) {
+            $app['config']->set('auth.testing.password', $password);
+            $app['config']->set('auth.testing.hashed', $hashed);
+        }
+
+        if ($verify) {
+            $app['config']->set('playground-auth.verify', $verify);
+
+            $app['config']->set('playground-auth.sanctum', $sanctum);
+            $app['config']->set('playground-auth.hasPrivilege', $hasPrivilege);
+            $app['config']->set('playground-auth.userPrivileges', $userPrivileges);
+            $app['config']->set('playground-auth.hasRole', $hasRole);
+            $app['config']->set('playground-auth.userRole', $userRole);
+            $app['config']->set('playground-auth.userRoles', $userRoles);
+        }
+    }
 }
diff --git a/src/Unit/Models/ModelCase.php b/src/Unit/Models/ModelCase.php
index fd4f3f8..abfe000 100644
--- a/src/Unit/Models/ModelCase.php
+++ b/src/Unit/Models/ModelCase.php
@@ -81,18 +81,6 @@ abstract class ModelCase extends OrchestraTestCase
         'morphToMany' => [],
     ];
 
-    /**
-     * Set up the environment.
-     *
-     * @param  \Illuminate\Foundation\Application  $app
-     */
-    protected function getEnvironmentSetUp($app)
-    {
-        $app['config']->set('auth.providers.users.model', 'Playground\\Models\\User');
-        $app['config']->set('auth.testing.password', 'password');
-        $app['config']->set('auth.testing.hashed', false);
-    }
-
     protected function getModel(): Model
     {
         $modelClass = $this->getModelClass();
diff --git a/tests/Unit/Models/Demo/ModelTest.php b/tests/Unit/Models/Demo/ModelTest.php
new file mode 100644
index 0000000..9a84d5f
--- /dev/null
+++ b/tests/Unit/Models/Demo/ModelTest.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Playground
+ */
+
+declare(strict_types=1);
+namespace Tests\Unit\Playground\Test\Models\Demo;
+
+use Tests\Unit\Playground\Test\Models\ModelCase;
+
+/**
+ * \Tests\Unit\Playground\Test\Models\Demo\ModelTest
+ */
+class ModelTest extends ModelCase
+{
+    protected string $modelClass = \Playground\Test\Models\Demo::class;
+
+    protected bool $hasRelationships = true;
+
+    /**
+     * @var array<int, string> Test has one relationships.
+     */
+    protected array $hasMany = [
+        'widgets',
+    ];
+
+    /**
+     * @var array<int, string> Test has one relationships.
+     */
+    protected array $hasOne = [
+        'creator',
+        'modifier',
+        'owner',
+        'parent',
+    ];
+}
diff --git a/tests/Unit/Models/ModelCase.php b/tests/Unit/Models/ModelCase.php
new file mode 100644
index 0000000..6a6ca1e
--- /dev/null
+++ b/tests/Unit/Models/ModelCase.php
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Playground
+ */
+
+declare(strict_types=1);
+namespace Tests\Unit\Playground\Test\Models;
+
+use Playground\ServiceProvider as PlaygroundServiceProvider;
+use Playground\Test\ServiceProvider;
+use Playground\Test\Unit\Models\ModelCase as BaseModelCase;
+
+/**
+ * \Tests\Unit\Playground\Test\Models\ModelCase
+ */
+class ModelCase extends BaseModelCase
+{
+    /**
+     * Define database migrations.
+     *
+     * @return void
+     */
+    protected function defineDatabaseMigrations()
+    {
+        // $this->loadMigrationsFrom(workbench_path('database/migrations'));
+        $this->loadMigrationsFrom(dirname(dirname(__DIR__)).'/database/migration-testing');
+    }
+
+    protected function getPackageProviders($app)
+    {
+        return [
+            PlaygroundServiceProvider::class,
+            ServiceProvider::class,
+        ];
+    }
+
+    // /**
+    //  * Set up the environment.
+    //  *
+    //  * @param  \Illuminate\Foundation\Application  $app
+    //  */
+    // protected function getEnvironmentSetUp($app)
+    // {
+    //     $app['config']->set('auth.providers.users.model', 'Playground\\Models\\User');
+    //     $app['config']->set('playground-auth.verify', 'user');
+    //     $app['config']->set('auth.testing.password', 'password');
+    //     $app['config']->set('auth.testing.hashed', false);
+
+    //     // $app['config']->set('playground-test.load.migrations', true);
+    // }
+}
diff --git a/tests/Unit/Models/UserWithRole/ModelTest.php b/tests/Unit/Models/UserWithRole/ModelTest.php
new file mode 100644
index 0000000..2af81cd
--- /dev/null
+++ b/tests/Unit/Models/UserWithRole/ModelTest.php
@@ -0,0 +1,113 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * Playground
+ */
+namespace Tests\Unit\Playground\Test\Models\UserWithRole;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\CoversTrait;
+use Playground\Test\Models\Concerns\UserPrivileges;
+use Playground\Test\Models\UserWithRole;
+use Tests\Unit\Playground\Test\TestCase;
+
+/**
+ * \Tests\Unit\Playground\Test\Models\UserWithRole\ModelTest
+ */
+#[CoversClass(UserWithRole::class)]
+#[CoversTrait(UserPrivileges::class)]
+class ModelTest extends TestCase
+{
+    /**
+     * @var class-string<UserWithRole>
+     */
+    public const MODEL_CLASS = UserWithRole::class;
+
+    public function test_getAttributes(): void
+    {
+        $mc = static::MODEL_CLASS;
+
+        /**
+         * @var UserWithRole $instance
+         */
+        $instance = new $mc();
+
+        $expected = [
+            'name' => '',
+            'email' => '',
+            'role' => '',
+        ];
+
+        $attributes = $instance->getAttributes();
+
+        $this->assertIsArray($attributes);
+
+        $this->assertSame($expected, $attributes);
+    }
+
+    public function test_hasRole_is_false_without_role(): void
+    {
+        $mc = static::MODEL_CLASS;
+
+        /**
+         * @var UserWithRole $instance
+         */
+        $instance = new $mc();
+
+        $role = null;
+
+        $this->assertFalse($instance->hasRole($role));
+    }
+
+    public function test_hasRole_is_true_with_matching_role(): void
+    {
+        $mc = static::MODEL_CLASS;
+
+        /**
+         * @var UserWithRole $instance
+         */
+        $instance = new $mc();
+
+        $role = 'user';
+
+        $instance->role = $role;
+
+        $this->assertTrue($instance->hasRole($role));
+    }
+
+    public function test_hasRole_is_true_with_array_of_roles(): void
+    {
+        $mc = static::MODEL_CLASS;
+
+        /**
+         * @var UserWithRole $instance
+         */
+        $instance = new $mc();
+
+        $role = 'user';
+
+        $instance->role = $role;
+
+        $this->assertTrue($instance->hasRole($role));
+        $this->assertTrue($instance->hasRole(['publisher', 'user', 'admin']));
+        $this->assertFalse($instance->hasRole('admin'));
+        $this->assertFalse($instance->isAdmin());
+    }
+
+    public function test_isAdmin_is_true_with_admin_role(): void
+    {
+        $mc = static::MODEL_CLASS;
+
+        /**
+         * @var UserWithRole $instance
+         */
+        $instance = new $mc();
+
+        $role = 'admin';
+
+        $instance->role = $role;
+
+        $this->assertTrue($instance->isAdmin());
+    }
+}
diff --git a/tests/Unit/TestCase.php b/tests/Unit/TestCase.php
index e6666e0..5223c74 100644
--- a/tests/Unit/TestCase.php
+++ b/tests/Unit/TestCase.php
@@ -7,6 +7,7 @@
 namespace Tests\Unit\Playground\Test;
 
 use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Playground\ServiceProvider as PlaygroundServiceProvider;
 use Playground\Test\OrchestraTestCase;
 use Playground\Test\ServiceProvider;
 
@@ -20,19 +21,8 @@ class TestCase extends OrchestraTestCase
     protected function getPackageProviders($app)
     {
         return [
+            PlaygroundServiceProvider::class,
             ServiceProvider::class,
         ];
     }
-
-    /**
-     * Set up the environment.
-     *
-     * @param  \Illuminate\Foundation\Application  $app
-     */
-    protected function getEnvironmentSetUp($app)
-    {
-        $app['config']->set('auth.providers.users.model', 'Playground\\Test\\Models\\User');
-        $app['config']->set('auth.testing.password', 'password');
-        $app['config']->set('auth.testing.hashed', false);
-    }
 }