Added ADC_PoweOn() test

+checks for the regedit of the power on bit in the register.

tests/ADC/test_ADC.cpp

@@ -33,10 +33,42 @@ TEST(test_ADC, FirstTest)
    CHECK(true);
 }
 
+TEST(test_ADC, ADC_PowerOnTest)
+{
+    // The ADCON bit should be high in the ADC_CTRL2 register.
+   mock().expectOneCall("RegEdit_SetBit")
+       .withPointerParameter("reg", (void *) &ADC1->CTLR2)
+       .withUnsignedIntParameter("bit_num", ADC_ADON); 
+
+    ADC_PowerOn();
+}
 
 TEST(test_ADC, ADC_SetupSetsRegisters)
 {
     
+    //R32_GPIOD_CFGLR --> 0x40011400
+    //DESC: PD port configuration register low 
+    //RESET VALUE--> 0x44444444
+    
+    //R32_GPIOD_INDR --> 0x40011408
+    //DESC: PD port input data register
+
+    //R32_GPIOD_BSHR --> 0x40011410
+    //DESC: PD port set/reset register
+
+    //R32_GPIOD_BCR --> 0x40011414
+    //DESC: PD port reset register
+    
+    //R32_GPIOD_LCKR --> 0x40011418
+    //DESC: PD port configuration lock register
+
+    //Setup the ADC clock and divider. The internal HSI-XC is 24MHz.
+
+    
+    //Setup PORTD pin(s) as analog input.
+
+
+
     /*
     //Clears control register A for ADC0
     mock().expectOneCall("RegEdit_SetNum")