diff --git a/apps/files_external/tests/backends/amazons3.php b/apps/files_external/tests/backends/amazons3.php
index c16581a4495037b7ed9bfc90d99459ebbec2230c..e1465b51125adbce9a307a7db9bcd2db601f7f70 100644
--- a/apps/files_external/tests/backends/amazons3.php
+++ b/apps/files_external/tests/backends/amazons3.php
@@ -25,6 +25,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class AmazonS3
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class AmazonS3 extends Storage {
 
 	private $config;
diff --git a/apps/files_external/tests/backends/dropbox.php b/apps/files_external/tests/backends/dropbox.php
index 8765011532cda86cb4da9e198d726a20e21b2076..8dd0e58adc1f299ed24a138182b1e9f66225f4b2 100644
--- a/apps/files_external/tests/backends/dropbox.php
+++ b/apps/files_external/tests/backends/dropbox.php
@@ -25,6 +25,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class Dropbox
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class Dropbox extends Storage {
 	private $config;
 
diff --git a/apps/files_external/tests/backends/ftp.php b/apps/files_external/tests/backends/ftp.php
index 20a5c275d29157acffdba8e35dfb988ff0473c10..b715f0f780d28c148881fb39afb8d988bddf04a3 100644
--- a/apps/files_external/tests/backends/ftp.php
+++ b/apps/files_external/tests/backends/ftp.php
@@ -26,6 +26,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class FTP
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class FTP extends Storage {
 	private $config;
 
diff --git a/apps/files_external/tests/backends/google.php b/apps/files_external/tests/backends/google.php
index 6ff235ac6af0e0154ac4dc72b250642ccdfa79b8..c9a5d48382c1d2d2b6d3716b58dca6b9124fb895 100644
--- a/apps/files_external/tests/backends/google.php
+++ b/apps/files_external/tests/backends/google.php
@@ -28,6 +28,13 @@ namespace Test\Files\Storage;
 
 require_once 'files_external/lib/google.php';
 
+/**
+ * Class Google
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class Google extends Storage {
 
 	private $config;
diff --git a/apps/files_external/tests/backends/owncloud.php b/apps/files_external/tests/backends/owncloud.php
index 47e27870be20ac32671443ac520d4afcfb41e01a..d51fa638c508053d3dd24a24a6d190fbc9127d40 100644
--- a/apps/files_external/tests/backends/owncloud.php
+++ b/apps/files_external/tests/backends/owncloud.php
@@ -23,6 +23,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class OwnCloud
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class OwnCloud extends Storage {
 
 	private $config;
diff --git a/apps/files_external/tests/backends/sftp.php b/apps/files_external/tests/backends/sftp.php
index aaed2b3460ad6151d5f769f8832828510e53d3ee..03f2dcc0d7764caedd7a3646006b395d58b2b534 100644
--- a/apps/files_external/tests/backends/sftp.php
+++ b/apps/files_external/tests/backends/sftp.php
@@ -25,6 +25,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class SFTP
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class SFTP extends Storage {
 	/**
 	 * @var \OC\Files\Storage\SFTP instance
diff --git a/apps/files_external/tests/backends/sftp_key.php b/apps/files_external/tests/backends/sftp_key.php
index 6e8ac9f723911a9f58bf1584f8bea70f99e79e2e..762cb0887c190cc420044926f690c32915b998c4 100644
--- a/apps/files_external/tests/backends/sftp_key.php
+++ b/apps/files_external/tests/backends/sftp_key.php
@@ -23,6 +23,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class SFTP_Key
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class SFTP_Key extends Storage {
 	private $config;
 
diff --git a/apps/files_external/tests/backends/smb.php b/apps/files_external/tests/backends/smb.php
index 0da86cb824f6c10ff13b4399ff8f2f09fbfd0e82..0c43aba24dd83e78a3bfda3cc26d9d36370ef12e 100644
--- a/apps/files_external/tests/backends/smb.php
+++ b/apps/files_external/tests/backends/smb.php
@@ -24,6 +24,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class SMB
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class SMB extends Storage {
 
 	protected function setUp() {
diff --git a/apps/files_external/tests/backends/swift.php b/apps/files_external/tests/backends/swift.php
index 07ee36043b18a029e94e69adb277b151c5d44c27..b71b4f77add66c6e47e43bc139ff6bac5927462c 100644
--- a/apps/files_external/tests/backends/swift.php
+++ b/apps/files_external/tests/backends/swift.php
@@ -25,6 +25,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class Swift
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class Swift extends Storage {
 
 	private $config;
diff --git a/apps/files_external/tests/backends/webdav.php b/apps/files_external/tests/backends/webdav.php
index e2020da7c72dc8a814d3e501b5500a019aa1a964..130e0c99cb387d19364a2ffec7526e97112f7004 100644
--- a/apps/files_external/tests/backends/webdav.php
+++ b/apps/files_external/tests/backends/webdav.php
@@ -24,6 +24,13 @@
 
 namespace Test\Files\Storage;
 
+/**
+ * Class DAV
+ *
+ * @group DB
+ *
+ * @package Test\Files\Storage
+ */
 class DAV extends Storage {
 
 	protected function setUp() {