Merge branch 'unit_test' into '1.1.x'

add unit test to confirm core functionality

See merge request !27

tests/src/Functional/LoadTest.php

+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\jsonapi_links\Functional;
+
+use Drupal\Core\Url;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\user\UserInterface;
+
+/**
+ * Simple test to ensure that main page loads with module enabled.
+ *
+ * @group jsonapi_links
+ */
+class LoadTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  protected static $modules = ['jsonapi_links'];
+
+  /**
+   * The default theme when not relying on core markup.
+   *
+   * @var string
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * A user with permission to administer site configuration.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected UserInterface $user;
+
+  /**
+   * {@inheritdoc}
+   */
+  #[\Override]
+  protected function setUp(): void {
+    parent::setUp();
+    $this->user = $this->drupalCreateUser(['administer site configuration']);
+    $this->drupalLogin($this->user);
+  }
+
+  /**
+   * Tests that the home page loads with a 200 response.
+   */
+  public function testLoad(): void {
+    $this->drupalGet(Url::fromRoute('<front>'));
+    $this->assertSession()->statusCodeEquals(200);
+  }
+
+}