diff --git a/tests/load/test_load.cpp b/tests/load/test_load.cpp
index f270620..8f8cce7 100644
--- a/tests/load/test_load.cpp
+++ b/tests/load/test_load.cpp
@@ -78,6 +78,18 @@ void expect_portb_disabled(uint8_t load_pin)
         .withUnsignedIntParameter("bit_num", load_pin);
 }
 
+
+void expect_portb_enabled(uint8_t load_pin)
+{
+    mock().expectOneCall("RegEdit_SetBit")
+        .withPointerParameter("reg", (void *) &PORTB.DIR)
+        .withUnsignedIntParameter("bit_num", load_pin);
+
+    mock().expectOneCall("RegEdit_SetBit")
+        .withPointerParameter("reg", (void *) &PORTB.OUT)
+        .withUnsignedIntParameter("bit_num", load_pin);
+}
+
 TEST(test_load, PortAHandlerDisabledHigh)
 {
     MockADC_ZeroIndex();
@@ -122,14 +134,11 @@ TEST(test_load, PortAHandlerDisabledAboveTarget)
     Load_HandleLoadPortA(adc_pin, load_pin);
 }
 
-TEST(test_load, PortBHandlerSuccess)
+
+TEST(test_load, PortBHandlerDisabledHigh)
 {
-    /*
     MockADC_ZeroIndex();
-    MockADC_PushValue(LOWTHRESH + 1);
-    MockADC_PushValue(HIGHTHRESH - 1);
-    MockADC_PushValue(HYSTERESIS - 1);
-    */
+    MockADC_PushValue(HIGHTHRESH);
 
     setup_adc_expectations(adc_pin);
     expect_portb_disabled(load_pin);
@@ -137,6 +146,41 @@ TEST(test_load, PortBHandlerSuccess)
     Load_HandleLoadPortB(adc_pin, load_pin);
 }
 
+TEST(test_load, PortBHandlerDisabledLow)
+{
+    MockADC_ZeroIndex();
+    MockADC_PushValue(LOWTHRESH);
+
+    setup_adc_expectations(adc_pin);
+    expect_portb_disabled(load_pin);
+    
+    Load_HandleLoadPortB(adc_pin, load_pin);
+}
+
+
+TEST(test_load, PortBHandlerEnabledBelowTarget)
+{
+    MockADC_ZeroIndex();
+    MockADC_PushValue(HYSTERESIS - 1);
+
+    setup_adc_expectations(adc_pin);
+    expect_portb_enabled(load_pin);
+
+    Load_HandleLoadPortB(adc_pin, load_pin);
+}
+
+
+TEST(test_load, PortBHandlerDisabledAboveTarget)
+{
+    MockADC_ZeroIndex();
+    MockADC_PushValue(HYSTERESIS);
+
+    setup_adc_expectations(adc_pin);
+    expect_portb_disabled(load_pin);
+
+    Load_HandleLoadPortB(adc_pin, load_pin);
+}
+
 TEST(test_load, HighThreshValid)
 {
     bool result = is_valid_load(HIGHTHRESH);