fix endpoint for test

Author: sebastianMindee

tests/test_code_samples.sh

@@ -26,7 +26,7 @@ do
   if echo "$f" | grep -q "custom_v2.txt"
   then
     sed -i "s/my-account/$ACCOUNT/g" $OUTPUT_FILE
-    sed -i "s/my-endpoint/$ENDPOINT/g" $OUTPUT_FILE
+    sed -i "s/my-endpoint/$ENDPOINT/g_v2" $OUTPUT_FILE
   fi
 
   if echo "${f}" | grep -q "default.txt"