not used to plugin testing - trying to get working but fixtures not working yet

tests/Fixture/ExternalProductCatalogsFixture.php

@@ -10,6 +10,22 @@ use Cake\TestSuite\Fixture\TestFixture;
  */
 class ExternalProductCatalogsFixture extends TestFixture
 {
+    /**
+     * fields property
+     *
+     * @var array
+     */
+    public array $fields = [
+        'id' => ['type' => 'integer'],
+        'product_catalog_id' => ['type' => 'uuid'],
+        'base_url' => ['type' => 'string', 'length' => 255, 'null' => false],
+        'api_url' => ['type' => 'string', 'length' => 255, 'null' => false],
+        'created' => ['type' => 'datetime', 'null' => false],
+        'deleted' => ['type' => 'datetime', 'null' => true],
+        'enabled' => ['type' => 'boolean', 'null' => true],
+        '_constraints' => ['primary' => ['type' => 'primary', 'columns' => ['id']]],
+    ];
+
     /**
      * Init method
      *