diff --git a/README.md b/README.md
index d2d8734..143d3b9 100644
--- a/README.md
+++ b/README.md
@@ -131,8 +131,11 @@ Check them out in the Livewire source in ['livewire/src/Features/SupportTesting/
 In addition, the package provides the following:
 
 - `assertSeeInOrder('@container', ['a', 'b', 'c'])`
-- `assertIsVisibleInContainer(@container, @item)`
-- `assertIsNotVisibleInContainer(@container, @item)`
+- `assertIsVisibleInContainer('@container', '@item')`
+- `assertIsNotVisibleInContainer('@container', '@item')`
+- `assertHasClasses('@selector', ['class1', 'class2', 'class3'])`
+- `assertHasOnlyClasses('@selector', ['class1', 'class2', 'class3'])`
+- `assertMissingClasses('@selector', ['class1', 'class2', 'class3'])`
 
 ## Demo Package
 
diff --git a/src/DuskBrowserMixin.php b/src/DuskBrowserMixin.php
index fe07050..4e4b487 100644
--- a/src/DuskBrowserMixin.php
+++ b/src/DuskBrowserMixin.php
@@ -69,6 +69,57 @@ public function assertIsNotVisibleInContainer()
         };
     }
 
+    public function assertHasClasses()
+    {
+        return function (string $selector, array $contents = []) {
+            /** @var \Laravel\Dusk\Browser $this */
+            $fullSelector = $this->resolver->format($selector);
+
+            $invalidClasses = array_diff($contents, explode(' ', $this->attribute($selector, 'class')));
+
+            PHPUnit::assertEmpty(
+                $invalidClasses,
+                "Element [{$fullSelector}] is missing required classes [".implode(' ', $invalidClasses).'].'
+            );
+
+            return $this;
+        };
+    }
+
+    public function assertHasOnlyClasses()
+    {
+        return function (string $selector, array $contents = []) {
+            /** @var \Laravel\Dusk\Browser $this */
+            $fullSelector = $this->resolver->format($selector);
+
+            $invalidClasses = array_diff(explode(' ', $this->attribute($selector, 'class')), $contents);
+
+            PHPUnit::assertEmpty(
+                $invalidClasses,
+                "Element [{$fullSelector}] has classes that must not be present [".implode(' ', $invalidClasses).'].'
+            );
+
+            return $this;
+        };
+    }
+
+    public function assertMissingClasses()
+    {
+        return function (string $selector, array $contents = []) {
+            /** @var \Laravel\Dusk\Browser $this */
+            $fullSelector = $this->resolver->format($selector);
+
+            $invalidClasses = array_intersect($contents, explode(' ', $this->attribute($selector, 'class')));
+
+            PHPUnit::assertEmpty(
+                $invalidClasses,
+                "Element [{$fullSelector}] has classes that must be missing [".implode(' ', $invalidClasses).'].'
+            );
+
+            return $this;
+        };
+    }
+
     protected function isVisibleScript()
     {
         return '
diff --git a/tests/Browser/DuskBrowserMixinTest.php b/tests/Browser/DuskBrowserMixinTest.php
new file mode 100644
index 0000000..7549225
--- /dev/null
+++ b/tests/Browser/DuskBrowserMixinTest.php
@@ -0,0 +1,251 @@
+<?php
+
+namespace LivewireDuskTestbench\Tests\Browser;
+
+use Livewire\Component;
+use Livewire\Livewire;
+use PHPUnit\Framework\AssertionFailedError;
+
+class DuskBrowserMixinTest extends TestCase
+{
+    /** @test */
+    public function assert_see_in_order_macro_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul dusk="list">
+                        <li>bob</li>
+                        <li>john</li>
+                        <li>bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertSeeInOrder('@list', ['bob', 'john', 'bill']);
+    }
+
+    /** @test */
+    public function assert_see_in_order_macro_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul dusk="list">
+                        <li>bob</li>
+                        <li>john</li>
+                        <li>bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertSeeInOrder('@list', ['john', 'bob', 'bill']);
+    }
+
+    /** @test */
+    public function assert_is_visibile_in_container_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul style="height:10px" dusk="list">
+                        <li style="height:10px" dusk="bob">bob</li>
+                        <li style="height:10px" dusk="john">john</li>
+                        <li style="height:10px" dusk="bill">bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertIsVisibleInContainer('@list', '@bob');
+    }
+
+    /** @test */
+    public function assert_is_visibile_in_container_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul style="height:10px" dusk="list">
+                        <li style="height:10px" dusk="bob">bob</li>
+                        <li style="height:10px" dusk="john">john</li>
+                        <li style="height:10px" dusk="bill">bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertIsVisibleInContainer('@list', '@john');
+    }
+
+    /** @test */
+    public function assert_is_not_visibile_in_container_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul style="height:10px" dusk="list">
+                        <li style="height:10px" dusk="bob">bob</li>
+                        <li style="height:10px" dusk="john">john</li>
+                        <li style="height:10px" dusk="bill">bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertIsNotVisibleInContainer('@list', '@john')
+            ->assertIsNotVisibleInContainer('@list', '@bill');
+    }
+
+    /** @test */
+    public function assert_is_not_visibile_in_container_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <ul style="height:10px" dusk="list">
+                        <li style="height:10px" dusk="bob">bob</li>
+                        <li style="height:10px" dusk="john">john</li>
+                        <li style="height:10px" dusk="bill">bill</li>
+                    </ul>
+                </div>
+                HTML;
+            }
+        })
+            ->assertIsNotVisibleInContainer('@list', '@bob');
+    }
+
+    /** @test */
+    public function assert_has_classes_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="test other sample" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertHasClasses('@item', ['test', 'other']);
+    }
+
+    /** @test */
+    public function assert_has_classes_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="test sample" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertHasClasses('@item', ['test', 'other']);
+    }
+
+    /** @test */
+    public function assert_has_only_classes_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="test other" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertHasOnlyClasses('@item', ['test', 'other']);
+    }
+
+    /** @test */
+    public function assert_has_only_classes_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="test other sample" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertHasOnlyClasses('@item', ['test', 'other']);
+    }
+
+    /** @test */
+    public function assert_missing_classes_passes()
+    {
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="sample" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertMissingClasses('@item', ['test', 'other']);
+    }
+
+    /** @test */
+    public function assert_missing_classes_fails()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        Livewire::visit(new class extends Component
+        {
+            public function render()
+            {
+                return <<< 'HTML'
+                <div>
+                    <p class="sample" dusk="item"></p>
+                </div>
+                HTML;
+            }
+        })
+            ->assertMissingClasses('@item', ['test', 'sample']);
+    }
+}
diff --git a/tests/Browser/DuskBrowserMixinsTest.php b/tests/Browser/DuskBrowserMixinsTest.php
deleted file mode 100644
index f4b53c3..0000000
--- a/tests/Browser/DuskBrowserMixinsTest.php
+++ /dev/null
@@ -1,73 +0,0 @@
-<?php
-
-namespace LivewireDuskTestbench\Tests\Browser;
-
-use Livewire\Component;
-use Livewire\Livewire;
-
-class DuskBrowserMixinsTest extends TestCase
-{
-    /** @test */
-    public function assert_see_in_order_macro_works()
-    {
-        Livewire::visit(new class extends Component
-        {
-            public function render()
-            {
-                return <<< 'HTML'
-                <div>
-                    <ul dusk="list">
-                        <li>bob</li>
-                        <li>john</li>
-                        <li>bill</li>
-                    </ul>
-                </div>
-                HTML;
-            }
-        })
-            ->assertSeeInOrder('@list', ['bob', 'john', 'bill']);
-    }
-
-    /** @test */
-    public function assert_is_visibile_in_container_works()
-    {
-        Livewire::visit(new class extends Component
-        {
-            public function render()
-            {
-                return <<< 'HTML'
-                <div>
-                    <ul style="height:10px" dusk="list">
-                        <li style="height:10px" dusk="bob">bob</li>
-                        <li style="height:10px" dusk="john">john</li>
-                        <li style="height:10px" dusk="bill">bill</li>
-                    </ul>
-                </div>
-                HTML;
-            }
-        })
-            ->assertIsVisibleInContainer('@list', '@bob');
-    }
-
-    /** @test */
-    public function assert_is_not_visibile_in_container_works()
-    {
-        Livewire::visit(new class extends Component
-        {
-            public function render()
-            {
-                return <<< 'HTML'
-                <div>
-                    <ul style="height:10px" dusk="list">
-                        <li style="height:10px" dusk="bob">bob</li>
-                        <li style="height:10px" dusk="john">john</li>
-                        <li style="height:10px" dusk="bill">bill</li>
-                    </ul>
-                </div>
-                HTML;
-            }
-        })
-            ->assertIsNotVisibleInContainer('@list', '@john')
-            ->assertIsNotVisibleInContainer('@list', '@bill');
-    }
-}