Merge branch 'tests-improvments'

I2_Dobble/numbers.c

@@ -16,9 +16,7 @@ static void dublicateRandomEntry (unsigned int *numbers, unsigned int len)
    if (numbers && len > 2)
    {
         unsigned int dubIndx = rand() % (len - 1);
-        unsigned int copyIndx;
-        
-        copyIndx = rand() % len;
+        unsigned int copyIndx = rand() % len;
 
         numbers[len - 1] = numbers[dubIndx];
 
@@ -69,7 +67,7 @@ unsigned int *createNumbers(unsigned int len)
     // Duplicate one random entry
     dublicateRandomEntry(numbers, len);
 
-    clearTree(root); //Notwendigkeit muss noch restlichem Code entnommen werden
+    clearTree(root);
     return numbers;
 }