Update event names

Make them more realistic and more obvious which is the event date and
which is the event name.

modules/opd_presentations/tests/src/Functional/PresentationTest.php

@@ -16,17 +16,17 @@ final class PresentationTest extends ExistingSiteBase {
       events: [
         $this->createEvent(
           eventDate: 'now',
-          eventName: 'now',
+          eventName: 'PHP South West',
         ),
 
         $this->createEvent(
           eventDate: 'yesterday',
-          eventName: 'yesterday',
+          eventName: 'DrupalCon Lille',
         ),
 
         $this->createEvent(
           eventDate: 'tomorrow',
-          eventName: 'tomorrow',
+          eventName: 'PHP Oxford',
         ),
       ],
     );
@@ -40,7 +40,7 @@ final class PresentationTest extends ExistingSiteBase {
 
     $this->assertSame(
       actual: $events->first()->getEventName(),
-      expected: 'yesterday',
+      expected: 'DrupalCon Lille',
     );
   }