feat: support WORLD files in compressed tar format (#1297)

tests/test.sh

@@ -1,18 +1,15 @@
 #!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
 
 # go to script root directory
 cd "$(dirname "$0")" || exit 1
 
 # go through top level folders and trigger the tests in the subfolders
-FOLDERS=$(ls)
-for folder in $FOLDERS; do
-    # If folder is a directory
-    if [ -d "$folder" ]; then
-      cd "$folder"
-      if [ -f "./test.sh" ]; then
-        echo "Starting ${folder} Tests"
-        sh ./test.sh
-      fi
-      cd ..
-    fi
+readarray -t folders < <(find . -maxdepth 2 -mindepth 2 -name test.sh -printf '%h\n')
+for folder in "${folders[@]}"; do
+  cd "$folder"
+  echo "Starting ${folder} Tests"
+  bash ./test.sh
+  cd ..
 done