diff --git a/scripts/test-init.sh b/scripts/test-init.sh
index c0fac963..40cf9da6 100755
--- a/scripts/test-init.sh
+++ b/scripts/test-init.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -e  # Exit immediately if a command exits with a non-zero status.
 
 # URL of the CSV file to download
 url="https://kanaries-app.s3.ap-northeast-1.amazonaws.com/public-datasets/bike_sharing_dc.csv"
@@ -6,30 +8,39 @@ url="https://kanaries-app.s3.ap-northeast-1.amazonaws.com/public-datasets/bike_s
 # Directory to download the file to
 dir="./tests"
 
+# Filename to download
+filename="bike_sharing_dc.csv"
+
 # Create the directory if it doesn't exist
-mkdir -p "$dir" || {
-    echo "Error: could not create directory '$dir'" >&2
+mkdir -p "$dir"
+
+# Check available space in the target directory
+available_space=$(df -h --output=avail "$dir" | awk '{print $1}')
+required_space=$(curl -s -I "$url" | awk '/Content-Length/{print $2}' | numfmt --to=iec)
+if [ "$available_space" -lt "$required_space" ]; then
+    echo "Error: not enough available space in '$dir' to download the file" >&2
     exit 1
-}
+fi
 
-# Download the file using curl
+# Download the file using curl or wget
 if command -v curl >/dev/null; then
-    curl -f "$url" -o "$dir/bike_sharing_dc.csv" || {
-        echo "Error: could not download file from '$url'" >&2
-        exit 1
-    }
+    echo "Using curl to download the file..."
+    curl -s -f "$url" -o "$dir/$filename"
 elif command -v wget >/dev/null; then
-    wget -q --show-progress "$url" -O "$dir/bike_sharing_dc.csv" || {
-        echo "Error: could not download file from '$url'" >&2
-        exit 1
-    }
+    echo "Using wget to download the file..."
+    wget -q --show-progress "$url" -O "$dir/$filename"
 else
     echo "Error: could not find curl or wget to download the file" >&2
     exit 1
 fi
 
 # Check if the file was downloaded successfully
-if [ ! -f "$dir/bike_sharing_dc.csv" ]; then
-    echo "Error: file '$dir/bike_sharing_dc.csv' was not downloaded successfully" >&2
+if [ ! -f "$dir/$filename" ]; then
+    echo "Error: file '$dir/$filename' was not downloaded successfully" >&2
     exit 1
+else
+    echo "File downloaded successfully: '$dir/$filename'"
 fi
+
+# Remove the file on error
+trap 'rm -f "$dir/$filename"' ERR