diff --git a/tests/legacy/ApiTest.php b/tests/legacy/ApiTest.php
index 239e297d3..5203e90a5 100644
--- a/tests/legacy/ApiTest.php
+++ b/tests/legacy/ApiTest.php
@@ -1226,17 +1226,6 @@ class ApiTest extends FixtureTest
 		//self::assertArrayHasKey('direct_message', $result);
 	}
 
-	/**
-	 * Test the api_direct_messages_box() function.
-	 *
-	 * @return void
-	 */
-	public function testApiDirectMessagesBoxWithInbox()
-	{
-		//$result = api_direct_messages_box('json', 'inbox', 'false');
-		//self::assertArrayHasKey('direct_message', $result);
-	}
-
 	/**
 	 * Test the api_direct_messages_box() function.
 	 *
@@ -1292,17 +1281,6 @@ class ApiTest extends FixtureTest
 		//self::assertArrayHasKey('direct_message', $result);
 	}
 
-	/**
-	 * Test the api_direct_messages_inbox() function.
-	 *
-	 * @return void
-	 */
-	public function testApiDirectMessagesInbox()
-	{
-		//$result = api_direct_messages_inbox('json');
-		//self::assertArrayHasKey('direct_message', $result);
-	}
-
 	/**
 	 * Test the api_direct_messages_all() function.
 	 *
diff --git a/tests/src/Module/Api/Twitter/DirectMessages/InboxTest.php b/tests/src/Module/Api/Twitter/DirectMessages/InboxTest.php
new file mode 100644
index 000000000..582729c8b
--- /dev/null
+++ b/tests/src/Module/Api/Twitter/DirectMessages/InboxTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Friendica\Test\src\Module\Api\Twitter\DirectMessages;
+
+use Friendica\App\Router;
+use Friendica\DI;
+use Friendica\Factory\Api\Twitter\DirectMessage;
+use Friendica\Module\Api\Twitter\DirectMessages\Inbox;
+use Friendica\Test\src\Module\Api\ApiTest;
+
+class InboxTest extends ApiTest
+{
+	/**
+	 * Test the api_direct_messages_box() function.
+	 *
+	 * @return void
+	 */
+	public function testApiDirectMessagesBoxWithInbox()
+	{
+		$this->loadFixture(__DIR__ . '/../../../../../datasets/mail/mail.fixture.php', DI::dba());
+
+		$directMessage = new DirectMessage(DI::logger(), DI::dba(), DI::twitterUser());
+
+		$destroy  = new Inbox($directMessage, DI::dba(), DI::app(), DI::l10n(), DI::baseUrl(), DI::args(), DI::logger(), DI::profiler(), DI::apiResponse(), ['REQUEST_METHOD' => Router::GET], ['extension' => 'json']);
+		$response = $destroy->run();
+
+		$json = $this->toJson($response);
+
+		print_r($json);
+
+		self::assertGreaterThan(0, count($json));
+
+		foreach ($json as $item) {
+			self::assertIsInt($item->id);
+			self::assertIsString($item->text);
+		}
+	}
+}