diff --git a/build-n-test.sh b/build-n-test.sh
index 667499d..5372d76 100755
--- a/build-n-test.sh
+++ b/build-n-test.sh
@@ -21,6 +21,9 @@ for image in "${images[@]}"; do
 
     echo "Testing again with UID and GID"
     GOSS_FILES_PATH=./tests/uid-test dgoss run -e UID=1001 -e GID=101 $tag
+
+    echo "Testing again with EMAIL and PASSWORD"
+    GOSS_FILES_PATH=./tests/credentials-test dgoss run -e EMAIL=mymail@example.com -e PASSWORD=mypassword $tag
 done
 
 
diff --git a/tests/credentials-test/goss.yaml b/tests/credentials-test/goss.yaml
new file mode 100644
index 0000000..b36ed8d
--- /dev/null
+++ b/tests/credentials-test/goss.yaml
@@ -0,0 +1,11 @@
+file:
+  /opt/JDownloader/cfg/org.jdownloader.api.myjdownloader.MyJDownloaderSettings.json:
+    exists: true
+    mode:
+      or:
+      - "0664"
+      - "0644"
+    filetype: file
+    contains:
+      - mymail@example.com
+      - mypassword
diff --git a/tests/default/goss.yaml b/tests/default/goss.yaml
index 27e53cf..412b931 100644
--- a/tests/default/goss.yaml
+++ b/tests/default/goss.yaml
@@ -30,6 +30,8 @@ file:
 package:
   ffmpeg:
     installed: true
+  jq:
+    installed: true
 user:
   jdownloader:
     exists: true