diff --git a/tests/Feature/CategoryTest.php b/tests/Feature/CategoryTest.php
index b9bf250..fed7cf7 100644
--- a/tests/Feature/CategoryTest.php
+++ b/tests/Feature/CategoryTest.php
@@ -12,29 +12,59 @@
     $response->assertOk();
 });
 
-test('category index request contains categories', function () {
-    $response = $this->get(route('categories.index'));
-
-    $response->assertViewHas('categories');
-    expect($response['categories'])
-        ->toBeEloquentCollection()
-        ->toContainOnlyInstancesOf(Category::class)
-        ->toEqual(Category::all());
-});
-
-test('category index request contains trashedCategories', function () {
-    $response = $this->get(route('categories.index'));
-
-    $response->assertViewHas('trashedCategories');
-    expect($response['trashedCategories'])
-        ->toBeEloquentCollection()
-        ->toContainOnlyInstancesOf(Category::class)
-        ->toEqual(Category::onlyTrashed()->get());
-});
-
 test('logged in users can view category index', function () {
     $user = User::factory()->create();
     $response = $this->actingAs($user)->get(route('categories.index'));
 
     $response->assertOk();
 });
+
+test('categories.index request contains categories', function () {
+    $response = $this->get(route('categories.index'));
+
+    $response->assertViewHas('categories', Category::all());
+    expect($response['categories'])
+        ->toBeEloquentCollection()
+        ->toContainOnlyInstancesOf(Category::class);
+});
+
+test('categories.index request contains trashedCategories', function () {
+    $response = $this->get(route('categories.index'));
+
+    $response
+        ->assertViewHas('trashedCategories', Category::onlyTrashed()->get());
+    expect($response['categories'])
+        ->toBeEloquentCollection()
+        ->toContainOnlyInstancesOf(Category::class);
+});
+
+test('guests can view categories', function () {
+    $category = Category::factory()->create();
+    $response = $this->get(route('categories.show', $category));
+
+    $response->assertOk();
+});
+
+test('logged in users can view categories', function () {
+    $user = User::factory()->create();
+    $category = Category::factory()->create();
+    $response = $this
+        ->actingAs($user)
+        ->get(route('categories.show', $category));
+
+    $response->assertOk();
+});
+
+test('categories.show contains the category', function () {
+    $category = Category::factory()->create();
+    $response = $this->get(route('categories.show', $category));
+
+    $response->assertViewHas('category', $category);
+});
+
+test('categories.show can show trashed categories', function () {
+    $category = Category::factory()->trashed()->create();
+    $response = $this->get(route('categories.show', $category));
+
+    $response->assertViewHas('category', $category);
+});
diff --git a/tests/Pest.php b/tests/Pest.php
index 2e87deb..4da3399 100755
--- a/tests/Pest.php
+++ b/tests/Pest.php
@@ -12,7 +12,9 @@
 */
 
 use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
 use Pest\Expectation;
+use function PHPUnit\Framework\assertTrue;
 
 pest()
     ->extend(Tests\TestCase::class)
@@ -32,20 +34,42 @@
 |
 */
 
-//expect()->extend(
-//    'collectionToContainModel',
-//    function (Model): Expectation {
-//        return $this->
-//    }
-//);
+// https://github.com/defstudio/pest-plugin-laravel-expectations
 
 expect()->extend(
     'toBeEloquentCollection',
+    /**
+     * Assert that the value is an instance of \Illuminate\Database\Eloquent\Collection.
+     */
     function (): Expectation {
         return $this->toBeInstanceOf(Collection::class);
     }
 );
 
+
+expect()->extend(
+    'toBeSameModelAs',
+    /**
+     * Assert that the given model has the same ID and belong to the same table of another model.
+     */
+    function (Model $model): Expectation {
+        /** @var Model $value */
+        $value = $this->value;
+
+        assertTrue($value->is($model),
+            'Failed asserting that two models have the same ID and belong to the same table');
+
+        return $this;
+    }
+);
+
+expect()->intercept(
+    'toBe',
+    Model::class,
+    function (Model $anotherModel) {
+        return expect($this->value)->toBeSameModelAs($anotherModel);
+    });
+
 /*
 |--------------------------------------------------------------------------
 | Functions