init command tweak

stubs/init/TestCase.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Tests;
+
+class TestCase extends \PHPUnit\Framework\TestCase
+{
+}

stubs/init/Unit/ExampleTest.php

@@ -0,0 +1,5 @@
+<?php
+
+test('example', function () {
+    expect(true)->toBeTrue();
+});