Move all files to docs/

docs/step1-first-test/my_module.info.yml

@@ -0,0 +1,5 @@
+name: My Module
+type: module
+core: 8.x
+core_version_requirement: ^8 || ^9
+package: Custom

docs/step1-first-test/tests/src/Functional/MyModuleTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Drupal\Tests\my_module\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Symfony\Component\HttpFoundation\Response;
+
+class MyModuleTest extends BrowserTestBase {
+
+  protected $defaultTheme = 'stark';
+
+  /** @test */
+  public function the_front_page_loads_for_anonymous_users() {
+    $this->drupalGet('<front>');
+
+    $this->assertResponse(Response::HTTP_OK);
+  }
+
+}