small fix numbersTest

I2_Dobble/numbersTest.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include "numbers.h"
 #include "unity.h"
 #include "unity_internals.h"
@@ -75,6 +76,9 @@ void test_complete_function_of_numbers(void)
     free(arr);
 }
 
+void setUp(void) { }
+void tearDown(void) { }
+
 int main(void) 
 {
     UNITY_BEGIN();