diff --git a/tests/test_cache_aligner_detector_only.py b/tests/test_cache_aligner_detector_only.py
index 8579797fd..5d8a25c6c 100644
--- a/tests/test_cache_aligner_detector_only.py
+++ b/tests/test_cache_aligner_detector_only.py
@@ -205,6 +205,12 @@ def test_should_apply_false_when_policy_disables_aligner(tokenizer: Tokenizer) -
     ``self._previous_prefix_hash`` and emitting volatility warnings,
     which are the exact log lines #327/#388 reporters complained
     about.
+
+    F2.2 added three per-mode tuning fields to CompressionPolicy
+    (``volatile_token_threshold``, ``max_lossy_ratio``,
+    ``toin_read_only``); the policy here uses the Subscription
+    defaults from ``policy_for_mode(AuthMode.SUBSCRIPTION)`` so the
+    fixture mirrors a real subscription request.
     """
     from headroom.transforms.compression_policy import CompressionPolicy
 
@@ -213,18 +219,35 @@ def test_should_apply_false_when_policy_disables_aligner(tokenizer: Tokenizer) -
     # Sanity: without a policy, the detector opts in.
     assert aligner.should_apply(messages, tokenizer)
     # F2.1 gate: with the subscription policy, the detector opts out.
-    sub_policy = CompressionPolicy(live_zone_only=True, cache_aligner_enabled=False)
+    sub_policy = CompressionPolicy(
+        live_zone_only=True,
+        cache_aligner_enabled=False,
+        volatile_token_threshold=32,
+        max_lossy_ratio=0.25,
+        toin_read_only=True,
+    )
     assert not aligner.should_apply(messages, tokenizer, compression_policy=sub_policy)
 
 
 def test_should_apply_true_when_policy_enables_aligner(tokenizer: Tokenizer) -> None:
     """F2.1 c4/5: ``compression_policy.cache_aligner_enabled=True``
-    must NOT short-circuit. PAYG/OAuth keep current behaviour."""
+    must NOT short-circuit. PAYG/OAuth keep current behaviour.
+
+    F2.2 added three per-mode tuning fields; the policy here uses the
+    PAYG defaults from ``policy_for_mode(AuthMode.PAYG)`` so the
+    fixture mirrors a real PAYG request.
+    """
     from headroom.transforms.compression_policy import CompressionPolicy
 
     messages = _system_user_messages("Session: 550e8400-e29b-41d4-a716-446655440000")
     aligner = CacheAligner(CacheAlignerConfig(enabled=True))
-    payg_policy = CompressionPolicy(live_zone_only=False, cache_aligner_enabled=True)
+    payg_policy = CompressionPolicy(
+        live_zone_only=False,
+        cache_aligner_enabled=True,
+        volatile_token_threshold=128,
+        max_lossy_ratio=0.45,
+        toin_read_only=False,
+    )
     assert aligner.should_apply(messages, tokenizer, compression_policy=payg_policy)