diff --git a/tests/ADC/test_ADC.cpp b/tests/ADC/test_ADC.cpp
index 6e6047c..1c5c03c 100644
--- a/tests/ADC/test_ADC.cpp
+++ b/tests/ADC/test_ADC.cpp
@@ -140,13 +140,32 @@ TEST(test_ADC, ADC_DisablePasses)
     ADC_Disable();
 }
 
+TEST(test_ADC, ADC_ReadValueImplimentationTimesOut)
+{
+    //Expect the start conversion bit to be set.
+    mock().expectOneCall("RegEdit_SetBit")
+        .withPointerParameter("reg", (void *) &ADCSRA)
+        .withUnsignedIntParameter("bit_num", ADSC);
+
+    //Check that it can time out.
+   
+    //Expect it to read the start bit 
+    mock().expectNCalls(ADC_WAIT_TIMEOUT, "RegEdit_IsBitSet")
+        .withPointerParameter("reg", (void *) &ADCSRA)
+        .withUnsignedIntParameter("bit_num", ADSC);
+
+    //Check that it does return a value.
+
+    ADC_ReadValue(0);
+}
+
 
 static uint16_t ADC_ReadValueFake(uint8_t pin_num)
 {
     return 512;
 }
 
-TEST_GROUP(test_ADCRead)
+TEST_GROUP(test_ADCReadPtrSwap)
 {
     void setup()
     {
@@ -159,7 +178,7 @@ TEST_GROUP(test_ADCRead)
     }
 };
 
-TEST(test_ADCRead, FunctionPointerSwapWorks)
+TEST(test_ADCReadPtrSwap, FunctionPointerSwapWorks)
 {
     uint16_t value = ADC_ReadValue(0);