Jetpack Sync Tests: Check the publish post action exists, but is not necessarily the last action

projects/plugins/jetpack/changelog/update-sync-integration-publish-post-action-test

@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Tests: Check the publish post action exists, but is not necessarily the last action.

projects/plugins/jetpack/tests/php/sync/Jetpack_Sync_Integration_Test.php

@@ -19,9 +19,21 @@ public function test_sending_empties_queue() {
 	public function test_sends_publish_post_action() {
 		$post_id = self::factory()->post->create();
 		$this->sender->do_sync();
-		$event = $this->server_event_storage->get_most_recent_event();
-		$this->assertEquals( 'jetpack_published_post', $event->action );
-		$this->assertEquals( $post_id, $event->args[0] );
+		$events = $this->server_event_storage->get_all_events();
+
+		$found          = null;
+		$target_post_id = (int) $post_id;
+		$events_count   = count( $events );
+		for ( $i = $events_count - 1; $i >= 0; $i-- ) {
+			$event = $events[ $i ];
+			if ( 'jetpack_published_post' === $event->action && (int) $event->args[0] === $target_post_id ) {
+				$found = $event;
+				break;
+			}
+		}
+
+		$this->assertNotNull( $found, 'Expected jetpack_published_post for post ' . $post_id );
+		$this->assertEquals( $post_id, $found->args[0] );
 	}
 
 	public function test_schedules_incremental_sync_cron() {