remove PluginServiceProvider and configure updates

src/Testing/TestsSkeleton.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace VendorName\Skeleton\Testing;
+
+use Illuminate\Testing\Assert;
+use Livewire\Testing\TestableLivewire;
+
+/**
+ * @mixin TestableLivewire
+ */
+class TestsSkeleton
+{
+    //
+}