diff --git a/tests/conftest.py b/tests/conftest.py
index 9380fd9..759787c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -13,7 +13,7 @@ def real_run_fixture(pytestconfig) -> Iterator[None]:
     else:
         with patch("winrt.windows.ui.notifications.ToastNotificationManager.create_toast_notifier"), patch(
             "winrt.windows.ui.notifications.ToastNotifier.show"
-        ), patch("winrt.windows.ui.notifications.ToastNotificationHistory.clear"):
+        ), patch("winrt.windows.ui.notifications.ToastNotificationHistory.clear"), patch("time.sleep"):
             yield
 
 
diff --git a/tests/test_toasts.py b/tests/test_toasts.py
index 5b3120f..2073538 100644
--- a/tests/test_toasts.py
+++ b/tests/test_toasts.py
@@ -297,15 +297,24 @@ def test_system_toast():
 
     InteractableWindowsToaster("Python").show_toast(newToast)
 
+
 def test_remove_toast():
     toaster = WindowsToaster("Python")
-
     newToast = Toast(["Disappearing act"])
-    newToast.on_dismissed = lambda _: toaster.remove_toast(newToast)
 
     toaster.show_toast(newToast)
 
+    import time
+
+    time.sleep(0.5)
+
+    toaster.remove_toast(newToast)
+
+
 def test_remove_toast_group():
+    import time
+    from src.windows_toasts import ToastActivatedEventArgs
+
     toaster = WindowsToaster("Python")
 
     toast1 = Toast(["A bigger disappearing act"], group="begone")
@@ -315,3 +324,8 @@ def test_remove_toast_group():
 
     toaster.show_toast(toast1)
     toaster.show_toast(toast2)
+
+    # If it hasn't been activated, remove it ourselves
+    time.sleep(1)
+
+    toast2.on_activated(ToastActivatedEventArgs())