diff --git a/test/fixtures/morse_main_loop.cpp b/test/fixtures/morse_main_loop.cpp
index 4832423c4..c1d30c594 100644
--- a/test/fixtures/morse_main_loop.cpp
+++ b/test/fixtures/morse_main_loop.cpp
@@ -20,6 +20,12 @@ uint32_t millis() { return 100000; }
 void delay(unsigned) { ++delays; }
 bool usbLoggingRecoverySafe() { return true; }
 namespace mesh {
+namespace power {
+// Regulator persistence/recovery has separate executable tests. Keep its
+// lifecycle boundary visible while this fixture exercises actual role loops.
+static unsigned regulator_services=0;
+void serviceRegulatorSettings() { ++regulator_services; }
+}
 void serviceUsbLoggingPort() { ++usb_services; }
 void serviceUsbTerminalPort() { ++usb_services; }
 bool isUsbLoggingEnabled() { return false; }
@@ -259,4 +265,7 @@ int main() {
   the_mesh.dual_radio=false;
   loop();
   assert(board.profile_preparations==profile_preparations+1 && board.sleeps==profile_sleeps+1);
+#if !ROLE_REPEATER
+  assert(mesh::power::regulator_services==board.calls);
+#endif
 }
diff --git a/test/fixtures/official_web_console/firmware.cpp b/test/fixtures/official_web_console/firmware.cpp
index 651eafd7b..e3ee7f701 100644
--- a/test/fixtures/official_web_console/firmware.cpp
+++ b/test/fixtures/official_web_console/firmware.cpp
@@ -24,6 +24,10 @@ struct Stream {
   }
 } console;
 namespace mesh {
+namespace power {
+// The command-pump fixture isolates USB/CLI timing from regulator storage.
+void serviceRegulatorSettings() {}
+}
 void serviceUsbLoggingPort() {}
 void serviceUsbTerminalPort() {}
 bool takeUsbTerminalSessionReset() { return false; }
diff --git a/test/test_official_config_gui.py b/test/test_official_config_gui.py
index 4e36c0133..e1996b899 100644
--- a/test/test_official_config_gui.py
+++ b/test/test_official_config_gui.py
@@ -96,6 +96,10 @@ MockSerial Serial;
     pump = body((ROOT / "examples/simple_repeater/main.cpp").read_text(),
                 "static void __attribute__((noinline)) serviceCommandInterfaces()")
     return source + r'''
+namespace mesh { namespace power {
+// The command-pump fixture isolates USB/CLI timing from regulator storage.
+void serviceRegulatorSettings() {}
+}}
 struct MyMesh {
   void handleUsbCommand(const char*, char* reply) { strcpy(reply, "Unknown"); }
   void cancelPendingSerialOutput() {}