web is failing because its acquireing lock on mainthread

justfile

@@ -14,6 +14,10 @@ test-message-board-web:
 test-simple-web:
     WASM_BINDGEN_TEST_TIMEOUT=99999 wasm-pack test --release --firefox --no-default-features --features="wasm" -Z build-std="panic_abort,std" --test simple-sync-and-send
 
+test-batchrunner-web:
+    WASM_BINDGEN_TEST_TIMEOUT=99999 wasm-pack test --release --firefox --no-default-features --features="wasm" -Z build-std="panic_abort,std" --test batchrunner 
+
+
 
 ## Native Examples
 example-simple:

tests/batchrunner.rs

@@ -21,7 +21,7 @@ pub fn initialize() {
 }
 
 #[wasm_bindgen_test]
-async fn test_get_and_scan_range() {
+async fn batchrunner() {
     initialize();
 
     let mut w = WebWallet::new("test", "https://zcash-testnet.chainsafe.dev", 1).unwrap();

tests/message-board-sync.rs

@@ -2,6 +2,8 @@ use wasm_bindgen_test::*;
 wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
 
 use std::sync::Once;
+use zcash_client_backend::sync::run;
+use zcash_client_memory::MemBlockCache;
 use webz_core::bindgen::wallet::WebWallet;
 use zcash_keys::keys::UnifiedFullViewingKey;
 use zcash_primitives::consensus::Network;
@@ -33,14 +35,27 @@ async fn test_message_board() {
     let id = w.import_ufvk(&ufvk_str, Some(2477329)).await.unwrap();
     tracing::info!("Created account with id: {}", id);
 
-    tracing::info!("Syncing wallet");
-    w.sync(&js_sys::Function::new_with_args(
-        "scanned_to, tip",
-        "console.log('Scanned: ', scanned_to, '/', tip)",
-    ))
+    // tracing::info!("Syncing wallet");
+    // w.sync(&js_sys::Function::new_with_args(
+    //     "scanned_to, tip",
+    //     "console.log('Scanned: ', scanned_to, '/', tip)",
+    // ))
+    // .await
+    // .unwrap();
+    // tracing::info!("Syncing complete :)");
+
+    let db_cache = MemBlockCache::new();
+    let mut cpt_client = w.client().clone();
+
+    run(
+        &mut cpt_client,
+        &Network::TestNetwork,
+        &db_cache,
+        w.inner_mut().inner_mut(),
+        10000,
+    )
     .await
     .unwrap();
-    tracing::info!("Syncing complete :)");
 
     let summary = w.get_wallet_summary().unwrap();
     tracing::info!("Wallet summary: {:?}", summary);