1 files changed, 7 insertions, 8 deletions

diff --git a/tests/integration/test_stats.py b/tests/integration/test_stats.py
index 7ff9a38..820b917 100644
--- a/tests/integration/test_stats.py
+++ b/tests/integration/test_stats.py
@@ -16,8 +16,7 @@ from harness import TrackerTestCase
 
 # The modes a default build answers. "tpbs" and "statedump" are full scrapes
 # and belong to test_fullscrape; "fulllog" and "woodpeckers" sit behind
-# feature flags this build does not set; "busy" is advertised but unbuilt,
-# which the next case pins.
+# feature flags this build does not set.
 MRTG_MODES = ["peer", "conn", "scrp", "udp4", "tcp4", "torr", "fscr", "completed", "syncs"]
 TEXT_MODES = ["herr", "s24s", "top10", "top100", "renew", "version"]
 
@@ -36,14 +35,14 @@ class StatsShape(TrackerTestCase):
             for line in lines[:2]:
                 self.assertRegex(line, rb"^\d+$", "mode %s line %r" % (mode, line))
 
-    def test_the_busy_mode_is_advertised_but_not_built(self):
-        """TASK_STATS_BUSY_NETWORKS is in the enum and in the mode table, and
-        no switch anywhere handles it, so the worker frees the empty answer
-        and the request ends as a server error. Pinned rather than blessed:
-        either the report gets written or the mode leaves the table."""
+    def test_the_busy_mode_is_gone(self):
+        """It was listed in the mode table and implemented nowhere, so it only
+        ever answered 500. Removed rather than written: picking poisoning
+        networks out stopped being meaningful once consumer lines became bot
+        hosts and v6 made the address space too large to watch."""
         with self.assertRaises(urllib.error.HTTPError) as caught:
             self.tracker.stats("busy")
-        self.assertEqual(caught.exception.code, 500)
+        self.assertEqual(caught.exception.code, 400, "an unknown mode, like any other")
 
     def test_an_unknown_mode_is_refused(self):
         with self.assertRaises(urllib.error.HTTPError) as caught: