diff --git a/phosphor-regulators/test/rail_tests.cpp b/phosphor-regulators/test/rail_tests.cpp
index ab34d20..db4294f 100644
--- a/phosphor-regulators/test/rail_tests.cpp
+++ b/phosphor-regulators/test/rail_tests.cpp
@@ -24,6 +24,7 @@
 #include "mock_sensors.hpp"
 #include "mock_services.hpp"
 #include "mocked_i2c_interface.hpp"
+#include "phase_fault_detection.hpp"
 #include "presence_detection.hpp"
 #include "rail.hpp"
 #include "rule.hpp"
@@ -111,13 +112,15 @@
         std::make_unique<i2c::MockedI2CInterface>();
     std::unique_ptr<PresenceDetection> presenceDetection{};
     std::unique_ptr<Configuration> deviceConfiguration{};
+    std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
     std::vector<std::unique_ptr<Rail>> rails{};
     rails.emplace_back(std::move(rail));
     std::unique_ptr<Device> device = std::make_unique<Device>(
         "reg1", true,
         "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
         std::move(i2cInterface), std::move(presenceDetection),
-        std::move(deviceConfiguration), std::move(rails));
+        std::move(deviceConfiguration), std::move(phaseFaultDetection),
+        std::move(rails));
     Device* devicePtr = device.get();
 
     // Create Chassis that contains Device
@@ -189,13 +192,15 @@
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
+        std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true,
             "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
-            std::move(deviceConfiguration), std::move(rails));
+            std::move(deviceConfiguration), std::move(phaseFaultDetection),
+            std::move(rails));
         Device* devicePtr = device.get();
 
         // Create Chassis that contains Device
@@ -243,13 +248,15 @@
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
+        std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true,
             "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
-            std::move(deviceConfiguration), std::move(rails));
+            std::move(deviceConfiguration), std::move(phaseFaultDetection),
+            std::move(rails));
         Device* devicePtr = device.get();
 
         // Create Chassis that contains Device
@@ -322,13 +329,15 @@
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
+        std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true,
             "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
-            std::move(deviceConfiguration), std::move(rails));
+            std::move(deviceConfiguration), std::move(phaseFaultDetection),
+            std::move(rails));
         Device* devicePtr = device.get();
 
         // Create Chassis that contains Device
@@ -381,13 +390,15 @@
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
+        std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true,
             "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
-            std::move(deviceConfiguration), std::move(rails));
+            std::move(deviceConfiguration), std::move(phaseFaultDetection),
+            std::move(rails));
         Device* devicePtr = device.get();
 
         // Create Chassis that contains Device