Synchronize file path test background checks

nebula_app/src/gpui_shell/workspace/details_panel_tests.rs

@@ -73,6 +73,7 @@ fn file_path_edit_navigates_and_keeps_the_last_directory_on_error_or_escape(
     cx.simulate_keystrokes("ctrl-a");
     cx.simulate_input("中文 folder");
     cx.simulate_keystrokes("enter");
+    cx.background_executor.run_until_parked();
     cx.run_until_parked();
     workspace.read_with(&cx, |view, _| {
         assert!(view.file_tree_path.is_none());
@@ -92,6 +93,7 @@ fn file_path_edit_navigates_and_keeps_the_last_directory_on_error_or_escape(
     cx.update(|window, cx| window.draw(cx).clear(cx));
     assert!(cx.debug_bounds("file-tree-path-editor").is_some());
     cx.simulate_keystrokes("enter");
+    cx.background_executor.run_until_parked();
     cx.run_until_parked();
     workspace.read_with(&cx, |view, _| {
         assert!(
@@ -106,6 +108,7 @@ fn file_path_edit_navigates_and_keeps_the_last_directory_on_error_or_escape(
     cx.simulate_keystrokes("ctrl-a");
     cx.simulate_input("missing-directory");
     cx.simulate_keystrokes("enter");
+    cx.background_executor.run_until_parked();
     cx.run_until_parked();
     workspace.read_with(&cx, |view, _| {
         assert!(view.file_tree_path_error().is_some());