Windows Timeliner: Add basic test

This is enough to ensure that the return code is nonzero and there was
some valid output.

test/plugins/windows/windows.py

@@ -58,6 +58,14 @@ class TestWindowsPslist:
         }
         assert test_volatility.match_output_row(expected_row, json.loads(out))
 
+class TestWindowsTimeliner:
+    def test_windows_specific_timeliner(self, volatility, python):
+        image = WindowsSamples.WINDOWSXP_GENERIC.value.path
+        rc, out, _err = test_volatility.runvol_plugin(
+            "timeliner.Timeliner", image, volatility, python
+        )
+        assert rc == 0
+        assert out.count(b"\n") > 10
 
 class TestWindowsPsscan:
     def test_windows_specific_psscan(self, volatility, python):