diff --git a/phosphor-power-supply/test/power_supply_tests.cpp b/phosphor-power-supply/test/power_supply_tests.cpp
index 9674153..dda38f5 100644
--- a/phosphor-power-supply/test/power_supply_tests.cpp
+++ b/phosphor-power-supply/test/power_supply_tests.cpp
@@ -168,6 +168,7 @@
     EXPECT_EQ(psu.hasInputFault(), true);
     EXPECT_EQ(psu.hasMFRFault(), true);
     EXPECT_EQ(psu.hasVINUVFault(), true);
+    EXPECT_CALL(mockPMBus, read("in1_crit", _)).Times(1).WillOnce(Return(0x01));
     psu.clearFaults();
     EXPECT_EQ(psu.isPresent(), true);
     EXPECT_EQ(psu.isFaulted(), false);