removed % from test_diana

test/suite/test_diana.m

 % Test file
 
-% c = addTwoNumbers_diana(1, 2)
+c = addTwoNumbers_diana(1, 2)
 
 % test if the addition function works as expected
-% assert(c == 3)
+assert(c == 3)
 
 % d = multiplyTwoNumbers_diana(c, c)