fix test, also thank to iHiD

tests/batch/extended/code.bat

@@ -2,7 +2,6 @@
 :: Disable command echoing
 
 SET source_dir=C:\Users\Username\Documents
-SET backup_dir=D:\Backup
 
 REM Notify start of backup
 echo Starting backup...
@@ -11,16 +10,4 @@ IF NOT EXIST "%source_dir%" (
     REM Exit if source directory is missing
     echo Source not found. Exiting...
     exit /b
-)
-
-IF NOT EXIST "%backup_dir%" (
-    REM Create backup directory if it does not exist
-    echo Creating backup directory...
-    mkdir "%backup_dir%"
-)
-
-xcopy "%source_dir%\*" "%backup_dir%\" /E /I /Y
-:: Perform backup, including subdirectories
-
-echo Backup complete.
-pause
+)

tests/batch/extended/expected_snippet.bat

@@ -1,21 +1,10 @@
 @echo off
 
 SET source_dir=C:\Users\Username\Documents
-SET backup_dir=D:\Backup
 
 echo Starting backup...
 
 IF NOT EXIST "%source_dir%" (
     echo Source not found. Exiting...
     exit /b
-)
-
-IF NOT EXIST "%backup_dir%" (
-    echo Creating backup directory...
-    mkdir "%backup_dir%"
-)
-
-xcopy "%source_dir%\*" "%backup_dir%\" /E /I /Y
-
-echo Backup complete.
-pause
+)