docs(file-struct): fixing test and removing folders

sh/tests/file-struct_test.sh

@@ -7,10 +7,10 @@ IFS='
 
 print_content() {
     mkdir -p uncompressed
-    tar -xpf done.tar -C uncompressed
+    tar -xpf file-struct.tar -C uncompressed
     tree uncompressed
 }
 
-submitted=$(cd student/struct && print_content)
-expected=$(cd solutions/struct && print_content)
+submitted=$(cd student && print_content)
+expected=$(cd solutions && print_content)
 diff <(echo "$submitted") <(echo "$expected")

subjects/devops/file-struct/README.md

@@ -23,15 +23,15 @@ struct/
     └── text3.txt
 ```
 
-Once it is done, use the command below to create the file `done.tar` to be submitted.
+Once it is done, use the command below to create the file `file-struct.tar` to be submitted.
 
 ```console
-$ tar -cf done.tar *
+$ tar -cf file-struct.tar *
 $ ls
-0  1  2  3  4  5  6  7  8  9  A  done.tar
+0  1  2  3  4  5  6  7  8  9  A  file-struct.tar
 ```
 
-**Only `done.tar` should be submitted.**
+**Only `file-struct.tar` should be submitted.**
 
 ### Hints