add test fixtures

examples/test/src/window.rs

@@ -0,0 +1,13 @@
+use anyhow::ensure;
+use tauri_sys::window;
+
+pub async fn create_window() -> anyhow::Result<()> {
+    let win = window::WebviewWindow::new("foo", ());
+
+    ensure!(win.is_visible().await);
+    // ensure!(win.label() == "foo".to_string());
+
+    win.close().await;
+
+    Ok(())
+}