Rename and re-organise custom modules

- Rename `opd_talks` to `opdavies_talks`
- Rename `custom` to `opdavies_blog`

web/modules/custom/opdavies_talks/tests/src/Kernel/UpdatesTalkCreatedDateTest.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\opdavies_talks\Kernel;
+
+use Carbon\Carbon;
+use Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface;
+
+final class UpdatesTalkCreatedDateTest extends TalksTestBase {
+
+  public function testCreatingNode() {
+    $eventDate = Carbon::today()->addWeek();
+    $eventDateFormat = $eventDate
+      ->format(DateTimeItemInterface::DATE_STORAGE_FORMAT);
+    $eventDateTimestamp = $eventDate->getTimestamp();
+
+    $talk = $this->createTalk([
+      'field_events' => [
+        $this->createEvent(['field_date' => $eventDateFormat]),
+      ],
+    ]);
+
+    $this->assertEqual($eventDateTimestamp, $talk->getCreatedTime());
+  }
+
+  public function testUpdatingNode() {
+    $talk = $this->createTalk();
+    $originalCreatedTime = $talk->getCreatedTime();
+
+    $eventDate = Carbon::today()->addWeek();
+    $eventDateFormat = $eventDate
+      ->format(DateTimeItemInterface::DATE_STORAGE_FORMAT);
+    $eventDateTimestamp = $eventDate->getTimestamp();
+
+    $talk->addEvent(
+      $this->createEvent(['field_date' => $eventDateFormat])
+    );
+    $talk->save();
+
+    $this->assertNotSame($originalCreatedTime, $talk->getCreatedTime());
+    $this->assertSame($eventDateTimestamp, $talk->getCreatedTime());
+  }
+
+}