diff --git a/README.md b/README.md
index 76ac9df..96aeca8 100644
--- a/README.md
+++ b/README.md
@@ -122,8 +122,9 @@ you will need to include both.
 
 ## Testing
 
-This library includes some PHPUnit extension classes in **src/Test/** to assist with testing
-vendor-sourced Bundles and Publishers. These are uses to test the files from this library
-but are also available for other projects that use `Tatter\Frontend`. To test your own
-classes simply extend the appropriate test case and add a data provider method with your
-class name and criteria to meet. See the test files in **tests/** for examples.
+This library includes a PHPUnit extension classes in **src/Test/** to assist with testing
+vendor-sourced Publishers. `Tatter\Assets` has a similar test case for Bundles. These two
+classes are used to test the files from this library but are also available for other projects
+that use `Tatter\Frontend`. To test your own classes simply extend the appropriate test case
+and add a data provider method with your class name and criteria to meet. See the test files
+in **tests/** for examples.
diff --git a/src/Test/BundlesTestCase.php b/src/Test/BundlesTestCase.php
deleted file mode 100644
index a13c802..0000000
--- a/src/Test/BundlesTestCase.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-
-namespace Tatter\Frontend\Test;
-
-use CodeIgniter\Publisher\Publisher;
-use Tatter\Frontend\FrontendBundle;
-
-abstract class BundlesTestCase extends TestCase
-{
-    private $didPublish = false;
-
-    /**
-     * Publishes all files once so they are
-     * available for bundles.
-     */
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        // Make sure everything is published
-        if (! $this->didPublish) {
-            foreach (Publisher::discover() as $publisher) {
-                $publisher->publish();
-            }
-
-            $this->didPublish = true;
-        }
-    }
-
-    /**
-     * @dataProvider bundleProvider
-     *
-     * @param class-string<FrontendBundle> $class
-     * @param string[]                     $expectedHeadFiles
-     * @param string[]                     $expectedBodyFiles
-     */
-    public function testBundlesFiles(string $class, array $expectedHeadFiles, array $expectedBodyFiles): void
-    {
-        $bundle = new $class();
-        $head   = $bundle->head();
-        $body   = $bundle->body();
-
-        foreach ($expectedHeadFiles as $file) {
-            $this->assertStringContainsString($file, $head);
-        }
-
-        foreach ($expectedBodyFiles as $file) {
-            $this->assertStringContainsString($file, $body);
-        }
-    }
-
-    /**
-     * Returns an array of items to test with each item
-     * as a triple of [string publisherClassName, string[] headFileNames, string[] bodyFileNames]
-     */
-    abstract public function bundleProvider(): array;
-}
diff --git a/src/Test/PublishersTestCase.php b/src/Test/PublishersTestCase.php
index 1d0bd78..cc85f60 100644
--- a/src/Test/PublishersTestCase.php
+++ b/src/Test/PublishersTestCase.php
@@ -2,6 +2,7 @@
 
 namespace Tatter\Frontend\Test;
 
+use Tatter\Assets\Test\TestCase;
 use Tatter\Frontend\FrontendPublisher;
 
 abstract class PublishersTestCase extends TestCase
diff --git a/src/Test/TestCase.php b/src/Test/TestCase.php
deleted file mode 100644
index a6e9f31..0000000
--- a/src/Test/TestCase.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-namespace Tatter\Frontend\Test;
-
-use CodeIgniter\Test\CIUnitTestCase;
-use org\bovigo\vfs\vfsStream;
-use org\bovigo\vfs\vfsStreamDirectory;
-use Tatter\Assets\Asset;
-use Tatter\Assets\Config\Assets as AssetsConfig;
-
-abstract class TestCase extends CIUnitTestCase
-{
-    /**
-     * Virtual workspace
-     *
-     * @var vfsStreamDirectory
-     */
-    protected $root;
-
-    /**
-     * @var AssetsConfig
-     */
-    protected $config;
-
-    /**
-     * Preps the config and VFS.
-     */
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        $this->root = vfsStream::setup('root');
-
-        // Create the config
-        $this->config                = config('Assets');
-        $this->config->directory     = $this->root->url() . DIRECTORY_SEPARATOR;
-        $this->config->useTimestamps = false; // These make testing much harder
-
-        Asset::useConfig($this->config);
-
-        // Add VFS as an allowed Publisher directory
-        config('Publisher')->restrictions[$this->config->directory] = '*';
-    }
-
-    /**
-     * Preps the config and VFS.
-     */
-    protected function tearDown(): void
-    {
-        parent::tearDown();
-
-        $this->root = null; // @phpstan-ignore-line
-        $this->resetServices();
-    }
-}
diff --git a/tests/BundlesTest.php b/tests/BundlesTest.php
index 32cf311..9a2b0c4 100644
--- a/tests/BundlesTest.php
+++ b/tests/BundlesTest.php
@@ -2,7 +2,7 @@
 
 namespace Tatter\Frontend\Bundles;
 
-use Tatter\Frontend\Test\BundlesTestCase;
+use Tatter\Assets\Test\BundlesTestCase;
 
 /**
  * @internal
diff --git a/tests/FrontendPublisherTest.php b/tests/FrontendPublisherTest.php
index f4c951f..635e39f 100644
--- a/tests/FrontendPublisherTest.php
+++ b/tests/FrontendPublisherTest.php
@@ -1,7 +1,7 @@
 <?php
 
+use Tatter\Assets\Test\TestCase;
 use Tatter\Frontend\FrontendPublisher;
-use Tatter\Frontend\Test\TestCase;
 
 /**
  * @internal