diff --git a/tests/compass/test_spec_verbs.py b/tests/compass/test_spec_verbs.py
index b15e87f498..2e23308825 100644
--- a/tests/compass/test_spec_verbs.py
+++ b/tests/compass/test_spec_verbs.py
@@ -29,6 +29,7 @@
 
 import copy
 import importlib.util
+import sys
 
 import pytest
 
@@ -565,7 +566,10 @@ def test_a_transfer_keeps_the_source_stack_out_of_this_machines_pin():
     checked = validate(combination)
     assert not checked.ok
     assert checked.refusals[0].rule is Rule.PINNED_STACK
-    assert checked.refusals[0].what.startswith("'tier2' (machine ")
+    assert checked.refusals[0].what.startswith(
+        "'tier2' (machine 'mi355x-8gpu-2node', transferred-from:mi300x-8gpu, "
+        "by a person on 2026-09-18) carried "
+    )
     assert checked.refusals[0].what.endswith(
         "carried constants over from 'mi300x-8gpu', measured against rocm "
         "'7.0.2', into a spec pinned to rocm '7.2.4'"
@@ -598,7 +602,10 @@ def test_a_saved_transfer_merged_again_names_the_merge_that_dropped_its_pin():
     rest = fragments()[:2] + [fragment("links", LINKS)]
     (refused,) = validate(merge([saved] + rest)).refusals
     assert refused.rule is Rule.PINNED_STACK
-    assert refused.what.startswith("'t.yaml' (machine ")
+    assert refused.what.startswith(
+        "'t.yaml' (machine 'mi355x-8gpu-2node', transferred-from:mi300x-8gpu, "
+        "by a person on 2026-09-18) carried constants over from "
+    )
     assert "over from 'mi300x-8gpu', and its provenance names the" in refused.what
     assert "fragments an earlier merge built it from" in refused.what
     bare = fragment("tier2", TIER2, method="transferred-from:mi300x-8gpu")
@@ -2008,6 +2015,7 @@ def reimported_validate(name):
     )
     module = importlib.util.module_from_spec(loaded)
     loaded.loader.exec_module(module)
+    assert loaded.name not in sys.modules
     assert importlib.import_module("atom.compass.spec.validate") is not module
     return module