diff --git a/tests/agent/test_codex_gpt55_autoraise_notice.py b/tests/agent/test_codex_gpt55_autoraise_notice.py
index 2638407fea6..743a8e4a62a 100644
--- a/tests/agent/test_codex_gpt55_autoraise_notice.py
+++ b/tests/agent/test_codex_gpt55_autoraise_notice.py
@@ -59,6 +59,8 @@ def _make_codex_agent(monkeypatch, tmp_path: Path, *, show_notice: bool):
     from hermes_cli import config as config_mod
 
     monkeypatch.setattr(config_mod, "load_config", lambda: _config(show_notice=show_notice))
+
+    monkeypatch.setattr(config_mod, "load_config_readonly", lambda: _config(show_notice=show_notice))
     db = SessionDB(db_path=tmp_path / "state.db")
     stdout = io.StringIO()
 
diff --git a/tests/agent/test_compression_max_attempts_config.py b/tests/agent/test_compression_max_attempts_config.py
index 8fb23f89d0a..f56d927e4fb 100644
--- a/tests/agent/test_compression_max_attempts_config.py
+++ b/tests/agent/test_compression_max_attempts_config.py
@@ -46,6 +46,9 @@ def _make_agent(monkeypatch, tmp_path: Path, *, max_attempts=None):
     monkeypatch.setattr(
         config_mod, "load_config", lambda: _config(max_attempts=max_attempts)
     )
+    monkeypatch.setattr(
+        config_mod, "load_config_readonly", lambda: _config(max_attempts=max_attempts)
+    )
     db = SessionDB(db_path=tmp_path / "state.db")
     with contextlib.redirect_stdout(io.StringIO()):
         agent = AIAgent(
diff --git a/tests/agent/test_proactive_prune_config.py b/tests/agent/test_proactive_prune_config.py
index 104dfb020c2..66ad0369ea1 100644
--- a/tests/agent/test_proactive_prune_config.py
+++ b/tests/agent/test_proactive_prune_config.py
@@ -39,6 +39,8 @@ def _make_agent(monkeypatch, tmp_path: Path, **prune_keys):
     from hermes_cli import config as config_mod
 
     monkeypatch.setattr(config_mod, "load_config", lambda: _config(**prune_keys))
+
+    monkeypatch.setattr(config_mod, "load_config_readonly", lambda: _config(**prune_keys))
     db = SessionDB(db_path=tmp_path / "state.db")
     with contextlib.redirect_stdout(io.StringIO()):
         agent = AIAgent(
diff --git a/tests/run_agent/test_preflight_compression_cap_e2e.py b/tests/run_agent/test_preflight_compression_cap_e2e.py
index e29b1ecc44f..fe7512dffb8 100644
--- a/tests/run_agent/test_preflight_compression_cap_e2e.py
+++ b/tests/run_agent/test_preflight_compression_cap_e2e.py
@@ -60,6 +60,11 @@ def _make_agent(monkeypatch, tmp_path: Path, *, max_attempts) -> AIAgent:
     monkeypatch.setattr(
         config_mod, "load_config", lambda: _config(max_attempts)
     )
+
+    monkeypatch.setattr(
+        config_mod, "load_config_readonly", lambda: _config(max_attempts)
+
+    )
     db = SessionDB(db_path=tmp_path / "state.db")
     with (
         contextlib.redirect_stdout(io.StringIO()),