diff --git a/src/tests.rs b/src/tests.rs
index c0a4982..857fb8c 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -3,7 +3,11 @@ use std::process::{ExitCode, Stdio};
 use anyhow::Result;
 use console::set_colors_enabled;
 use console::set_colors_enabled_stderr;
-use tokio::{fs::read_to_string, process::Command};
+use tokio::{
+    fs::{read_to_string, File},
+    io::AsyncWriteExt,
+    process::Command,
+};
 
 use crate::Lune;
 
@@ -15,17 +19,31 @@ macro_rules! create_tests {
         async fn $name() -> Result<ExitCode> {
             // For the formatTime test, we need to enable the fr_FR locale for UTF-8 for the test to pass
             if stringify!($name) == "datetime_format_time" {
+                // Create a new scope, so the file gets closed after it is out of scope
+                {
+                    // Creates a bash script for appending to /etc/locales.gen
+
+                    // Using a bash script simplifies a lot of piping logic that would
+                    // otherwise be required in Rust
+                    let mut append_locale_script = File::options().write(true).create(true).mode(0o110).open("target/datetime_format_time_locales.sh").await?;
+                    append_locale_script.write_all(b"echo fr_FR.UTF-8 UTF-8 | tee -a /etc/locale.gen").await?;
+                };
+
                 // Inherits the credentials from parent stdin
-                let out = Command::new("sudo").arg("-S").arg("bash").arg("-c").arg("echo").arg("'fr_FR.UTF-8 UTF-8' >> /etc/locale.gen\"").stdin(Stdio::inherit()).output().await?;
+                let out = Command::new("sudo").arg("-S").arg("bash").arg("-c").arg("target/datetime_format_time_locales.sh").stdin(Stdio::inherit()).output().await?;
 
                 if !out.status.success() {
                     eprintln!("ERROR: Failed to write locale info to /etc/locale.gen, could not run as root");
                     eprintln!("{}", String::from_utf8_lossy(&out.stderr));
                     return Ok(ExitCode::FAILURE);
-                } else {
-                    if !Command::new("sudo").arg("locale-gen").output().await?.status.success() {
-                        return Ok(ExitCode::FAILURE);
-                    }
+                }
+
+                let locale_gen = Command::new("sudo").arg("-S").arg("locale-gen").stdin(Stdio::inherit()).output().await?;
+
+                if !locale_gen.status.success() {
+                    eprintln!("ERROR: Failed to run locale-gen as root");
+                    eprintln!("{}", String::from_utf8_lossy(&out.stderr));
+                    return Ok(ExitCode::FAILURE);
                 }
             }
             // Disable styling for stdout and stderr since