fixing error in test

src/test/java/com/zipcodewilmington/danny_do_better_exercises/TestMathUtilities.java

     public void testMultiplication3() {
         // : Given
         byte multiplicand = 16;
-        byte multiplier = 14;
+        byte multiplier = 4;
         byte expectedByte = 64;
         // : When
         byte actualByte = primativeTypes.multiply(multiplicand, multiplier);