Revise FATFS image handling in GitHub Action workflow

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

.github/workflows/test-fatfs.yml

@@ -48,11 +48,10 @@ jobs:
 
       - name: Create FATFS image file
         run: |
+          # Create the FATFS image file in the ide/Linux-FATFS directory
           cd ide/Linux-FATFS
           dd if=/dev/zero of=fatfs_image.img bs=1M count=32
           mkdosfs fatfs_image.img
-          # Create a symbolic link to the image file in the current directory
-          ln -sf $(pwd)/fatfs_image.img $(pwd)/storage.dat
 
       - name: Create test file
         run: |
@@ -84,12 +83,13 @@ jobs:
           # Get the full path to the test file
           TEST_FILE_PATH=$(pwd)/test_file.bin
           
-          # Copy the FATFS image file to the sftpclient directory
-          cp ide/Linux-FATFS/fatfs_image.img examples/sftpclient/storage.dat
-          
           # Change to the sftpclient directory
           cd examples/sftpclient
           
+          # Create the FATFS image file directly in the sftpclient directory
+          dd if=/dev/zero of=fatfs_image.img bs=1M count=32
+          mkdosfs fatfs_image.img
+          
           # Create expect script to automate the wolfsftp client interaction
           cat > /tmp/sftp_test.exp << EOF
           #!/usr/bin/expect -f