diff --git a/tests/load/test_load.cpp b/tests/load/test_load.cpp
index c87ce54..c3589ba 100644
--- a/tests/load/test_load.cpp
+++ b/tests/load/test_load.cpp
@@ -55,6 +55,22 @@ TEST(test_load, PortAHandlerSuccess)
     Load_HandleLoadPortA(4, 7);
 }
 
+TEST(test_load, PortBHandlerSuccess)
+{
+    mock().expectOneCall("ADC_Init")
+        .withUnsignedIntParameter("pin_num", 4);
+
+    mock().expectOneCall("ADC_Enable");
+    mock().expectOneCall("ADC_ReadValue_Impl")
+        .withUnsignedIntParameter("pin_num", 4);
+    mock().expectOneCall("ADC_Disable");
+    mock().expectOneCall("RegEdit_ClearBit")
+        .withPointerParameter("reg", (void *) &PORTB.OUT)
+        .withUnsignedIntParameter("bit_num", 7);
+    
+    Load_HandleLoadPortB(4, 7);
+}
+
 TEST(test_load, HighThreshValid)
 {
     bool result = is_valid_load(HIGHTHRESH);