diff --git a/tests/ADC/test_ADC.cpp b/tests/ADC/test_ADC.cpp
index 146da80..e200f8c 100644
--- a/tests/ADC/test_ADC.cpp
+++ b/tests/ADC/test_ADC.cpp
@@ -37,7 +37,6 @@ TEST(test_ADC, FirstTest)
    CHECK(true);
 }
 
-
 TEST(test_ADC, ADC_SetupSetsRegisters)
 {
     /*
@@ -48,7 +47,7 @@ TEST(test_ADC, ADC_SetupSetsRegisters)
      * 11 == ADC3/PB3
      */
 
-    /*Set the ADC Channel 0 using ADMUX reg*/
+    /*Set the ADC Channel 0 (default) using ADMUX reg*/
     mock().expectOneCall("RegEdit_SetNum")
         .withPointerParameter("reg", (void *) &ADMUX)
         .withUnsignedIntParameter("num", 0x00);
@@ -63,11 +62,22 @@ TEST(test_ADC, ADC_SetupSetsRegisters)
         .withPointerParameter("reg", (void *) &ADMUX)
         .withUnsignedIntParameter("bit_num", 5);
 
-    /*Set the Prescaler for samping frequency.*/
+    /*Clears the ADC status register to start*/
+    mock().expectOneCall("RegEdit_ClearRegister")
+        .withPointerParameter("reg", (void *) &ADCSRA);
+
+    /*Set the Prescaler (F_CPU/8) for samping frequency.*/
+    mock().expectOneCall("RegEdit_SetBit")
+        .withParameter("reg", (void *) &ADCSRA)
+        .withUnsignedIntParameter("bit_num", 0);
+    mock().expectOneCall("RegEdit_SetBit")
+        .withParameter("reg", (void *) &ADCSRA)
+        .withUnsignedIntParameter("bit_num", 1);
+
 
     /*Set the ADC Enable bit ADEN in ADCSCR*/
 
-
+    /*
     //Clears control register A for ADC0
     mock().expectOneCall("RegEdit_SetNum")
         .withPointerParameter("reg", (void *) &ADC0.CTRLA)
@@ -97,6 +107,7 @@ TEST(test_ADC, ADC_SetupSetsRegisters)
     mock().expectOneCall("RegEdit_SetBit")
         .withPointerParameter("reg", (void *) &ADC0.CTRLD)
         .withUnsignedIntParameter("bit_num", 4);
+    */
 
     ADC_Setup();     
 }