diff --git a/deployments/examples/ocis_traefik/docker-compose.yml b/deployments/examples/ocis_traefik/docker-compose.yml
index 379ba65d2d6..fb6bf98b412 100644
--- a/deployments/examples/ocis_traefik/docker-compose.yml
+++ b/deployments/examples/ocis_traefik/docker-compose.yml
@@ -46,7 +46,7 @@ services:
     restart: always
 
   ocis:
-    image: owncloud/ocis:${OCIS_DOCKER_TAG:-latest}
+    image: owncloud/ocis:3.0.0-rc.3
     networks:
       ocis-net:
     entrypoint:
@@ -63,17 +63,18 @@ services:
       # INSECURE: needed if oCIS / Traefik is using self generated certificates
       OCIS_INSECURE: "${INSECURE:-false}"
       # basic auth (not recommended, but needed for eg. WebDav clients that do not support OpenID Connect)
-      PROXY_ENABLE_BASIC_AUTH: "${PROXY_ENABLE_BASIC_AUTH:-false}"
+      PROXY_ENABLE_BASIC_AUTH: "true"
       # admin user password
       IDM_ADMIN_PASSWORD: "${ADMIN_PASSWORD:-admin}" # this overrides the admin password from the configuration file
       # demo users
-      IDM_CREATE_DEMO_USERS: "${DEMO_USERS:-false}"
+      IDM_CREATE_DEMO_USERS: "true"
       # email server (in this case inbucket acts as mail catcher)
       NOTIFICATIONS_SMTP_HOST: inbucket
       NOTIFICATIONS_SMTP_PORT: 2500
       NOTIFICATIONS_SMTP_SENDER: oCIS notifications <notifications@${OCIS_DOMAIN:-ocis.owncloud.test}>
       NOTIFICATIONS_SMTP_USERNAME: notifications@${OCIS_DOMAIN:-ocis.owncloud.test}
       NOTIFICATIONS_SMTP_INSECURE: "true" # the mail catcher uses self signed certificates
+      OCIS_DECOMPOSEDFS_METADATA_BACKEND: "messagepack"
     volumes:
       - ocis-config:/etc/ocis
       - ocis-data:/var/lib/ocis
diff --git a/tests/acceptance/features/bootstrap/SettingsContext.php b/tests/acceptance/features/bootstrap/SettingsContext.php
index 6771f1b352d..753a92e15bf 100644
--- a/tests/acceptance/features/bootstrap/SettingsContext.php
+++ b/tests/acceptance/features/bootstrap/SettingsContext.php
@@ -322,38 +322,26 @@ public function sendRequestGetSettingsValuesList(string $user): void {
 
 	/**
 	 * @param string $user
-	 * @param string $valueName
 	 *
-	 * @return array
+	 * @return string
 	 *
 	 * @throws GuzzleException
 	 * @throws Exception
 	 */
-	public function getSettingsValues(string $user, string $valueName): array {
+	public function getSettingLanguageValue(string $user): string {
 		$this->sendRequestGetSettingsValuesList($user);
 		$body = json_decode((string)$this->featureContext->getResponse()->getBody(), true, 512, JSON_THROW_ON_ERROR);
+	
+		// if no language is set, the request body is empty return English as the default language
+		if (empty($body)) {
+			return "en";
+		}
 		foreach ($body["values"] as $value) {
-			if ($value["identifier"]["setting"] === $valueName) {
-				return $value["value"];
+			if ($value["identifier"]["setting"] === "language") {
+				return $value["value"]["listValue"]["values"][0]["stringValue"];
 				break;
 			}
 		}
-		return [];
-	}
-
-	/**
-	 * @param string $user
-	 *
-	 * @return string
-	 *
-	 * @throws GuzzleException
-	 * @throws Exception
-	 */
-	public function getSettingLanguageValue(string $user): string {
-		$languageValue = $this->getSettingsValues($user, "language");
-		Assert::assertNotEmpty($languageValue, "settings values are empty");
-
-		return $languageValue["listValue"]["values"][0]["stringValue"];
 	}
 
 	/**