diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..e9ec56d
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,30 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  pytest:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: pip
+
+      - name: Install DejaVu fonts
+        # Matches the Dockerfile; the swatch renderer prefers DejaVu for umlauts.
+        run: sudo apt-get update && sudo apt-get install -y --no-install-recommends fonts-dejavu-core
+
+      - name: Install dependencies
+        run: pip install -r requirements-dev.txt
+
+      - name: Run tests
+        run: pytest -q
diff --git a/handlers.py b/handlers.py
index 6a30ab0..435541f 100644
--- a/handlers.py
+++ b/handlers.py
@@ -966,7 +966,7 @@ async def _await_slice(job_id, timeout=300, interval=4):
     "failed": "❌", "skipped": "⏭️", "cancelled": "🚫",
 }
 # Finished statuses hidden from !liste — they just pile up and clutter the view.
-_DONE_QUEUE_STATUS = {"completed", "cancelled", "skipped"}
+_DONE_QUEUE_STATUS = {"completed", "cancelled", "skipped", "failed"}
 
 
 async def _skip(group_id):
@@ -1063,7 +1063,12 @@ async def _list(group_id):
         # didn't queue (e.g. a Bambu Studio print — we don't know).
         e = ejects.get(it.get("id"))
         tag = eject_tag if e else (noeject_tag if e is False else "")
-        lines.append(f'{i}. {_STATUS_EMOJI.get(st, "")} {nm} ({st}){tag}'.replace("  ", " "))
+        # Sliced print time in seconds (verified against the real Bambuddy
+        # /queue/ payload — the field is always `print_time_seconds`), shown as
+        # e.g. ' · 21 min'; omitted when the queue item doesn't carry it.
+        secs = it.get("print_time_seconds")
+        dur = f" · {colors._fmt_minutes(secs)}" if secs else ""
+        lines.append(f'{i}. {_STATUS_EMOJI.get(st, "")} {nm} ({st}){dur}{tag}'.replace("  ", " "))
     await signal_client.send_to_group(group_id, i18n.t(lang, "list_header") + "\n".join(lines))
 
 
diff --git a/tests/test_list.py b/tests/test_list.py
new file mode 100644
index 0000000..64b6748
--- /dev/null
+++ b/tests/test_list.py
@@ -0,0 +1,50 @@
+import asyncio
+import os
+import sys
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
+import config  # noqa: E402
+import handlers  # noqa: E402
+import store  # noqa: E402
+
+
+def _setup(tmp_path, monkeypatch, queue_items):
+    config.DB_PATH = str(tmp_path / "t.db")
+    store.init_db()
+    sent = []
+
+    async def fake_send(group_id, msg, **k):
+        sent.append(msg)
+
+    async def fake_list_queue():
+        return queue_items
+
+    monkeypatch.setattr(handlers.signal_client, "send_to_group", fake_send)
+    monkeypatch.setattr(handlers.bambuddy, "list_queue", fake_list_queue)
+    return sent
+
+
+def test_list_shows_print_duration(tmp_path, monkeypatch):
+    sent = _setup(tmp_path, monkeypatch, [
+        {"id": 1, "status": "pending", "library_file_name": "Quick",
+         "print_time_seconds": 1267},                     # 21 min
+        {"id": 2, "status": "pending", "library_file_name": "Long",
+         "print_time_seconds": 7800},                     # 2h10
+        {"id": 3, "status": "pending", "library_file_name": "Unknown"},  # no time
+    ])
+    asyncio.run(handlers._list("g1"))
+    out = sent[-1]
+    assert "Quick (pending) · 21 min" in out
+    assert "Long (pending) · 2h10" in out
+    # No duration field → nothing appended after the status.
+    assert "Unknown (pending)\n" in out or out.rstrip().endswith("Unknown (pending)")
+
+
+def test_list_done_jobs_hidden(tmp_path, monkeypatch):
+    sent = _setup(tmp_path, monkeypatch, [
+        {"id": 1, "status": "failed", "library_file_name": "Boom"},
+        {"id": 2, "status": "completed", "library_file_name": "Done"},
+    ])
+    asyncio.run(handlers._list("g1"))
+    assert "Boom" not in sent[-1]
+    assert "Done" not in sent[-1]