Try to download wasi-sdk ahead of time (#42377)

This hopefully resolves the lingering test failures on linux,
but also adds some logging just in case this isn't the problem...

Release Notes:

- N/A

---------

Co-authored-by: Ben Kunkle <ben@zed.dev>

crates/extension_host/src/extension_store_test.rs

@@ -31,8 +31,7 @@ use util::test::TempTree;
 #[cfg(test)]
 #[ctor::ctor]
 fn init_logger() {
-    // show info logs while we debug the extension_store tests hanging.
-    zlog::init_test_with("info");
+    zlog::init_test();
 }
 
 #[gpui::test]
@@ -532,6 +531,7 @@ async fn test_extension_store(cx: &mut TestAppContext) {
 
 #[gpui::test]
 async fn test_extension_store_with_test_extension(cx: &mut TestAppContext) {
+    log::info!("Initializing test");
     init_test(cx);
     cx.executor().allow_parking();
 
@@ -556,6 +556,8 @@ async fn test_extension_store_with_test_extension(cx: &mut TestAppContext) {
     let extensions_dir = extensions_tree.path().canonicalize().unwrap();
     let project_dir = project_dir.path().canonicalize().unwrap();
 
+    log::info!("Setting up test");
+
     let project = Project::test(fs.clone(), [project_dir.as_path()], cx).await;
 
     let proxy = Arc::new(ExtensionHostProxy::new());
@@ -674,6 +676,8 @@ async fn test_extension_store_with_test_extension(cx: &mut TestAppContext) {
         )
     });
 
+    log::info!("Flushing events");
+
     // Ensure that debounces fire.
     let mut events = cx.events(&extension_store);
     let executor = cx.executor();

crates/zlog/src/zlog.rs

@@ -30,16 +30,17 @@ pub fn init_test() {
     }
 }
 
-pub fn init_test_with(filter: &str) {
-    if try_init(Some(filter.to_owned())).is_ok() {
-        init_output_stdout();
-    }
-}
-
 fn get_env_config() -> Option<String> {
     std::env::var("ZED_LOG")
         .or_else(|_| std::env::var("RUST_LOG"))
         .ok()
+        .or_else(|| {
+            if std::env::var("CI").is_ok() {
+                Some("info".to_owned())
+            } else {
+                None
+            }
+        })
 }
 
 pub fn process_env(filter: Option<String>) {