Use env_logger instead of simplelog in tests

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

zed/src/test.rs

@@ -1,8 +1,6 @@
 use crate::time::ReplicaId;
 use ctor::ctor;
-use log::LevelFilter;
 use rand::Rng;
-use simplelog::SimpleLogger;
 use std::{
     collections::BTreeMap,
     path::{Path, PathBuf},
@@ -11,7 +9,7 @@ use tempdir::TempDir;
 
 #[ctor]
 fn init_logger() {
-    SimpleLogger::init(LevelFilter::Info, Default::default()).expect("could not initialize logger");
+    env_logger::init();
 }
 
 #[derive(Clone)]

zed/src/worktree.rs

@@ -888,10 +888,8 @@ mod tests {
     use crate::test::*;
     use anyhow::Result;
     use gpui::App;
-    use log::LevelFilter;
     use rand::prelude::*;
     use serde_json::json;
-    use simplelog::SimpleLogger;
     use std::env;
     use std::os::unix;
     use std::time::{SystemTime, UNIX_EPOCH};
@@ -1028,8 +1026,6 @@ mod tests {
             .map(|o| o.parse().unwrap())
             .unwrap_or(20);
         let seeds = if let Ok(seed) = env::var("SEED").map(|s| s.parse().unwrap()) {
-            // Init logging so that we can debug the operations for this seed.
-            SimpleLogger::init(LevelFilter::Info, Default::default()).unwrap();
             seed..seed + 1
         } else {
             0..iterations