From 23d930dad13fe062bd723d1b04df06aa6fcadf0b Mon Sep 17 00:00:00 2001
From: John Chilton <jmchilton@gmail.com>
Date: Tue, 17 Mar 2026 05:19:26 -0400
Subject: [PATCH] Does this fix it?

---
 lib/galaxy/selenium/navigates_galaxy.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/galaxy/selenium/navigates_galaxy.py b/lib/galaxy/selenium/navigates_galaxy.py
index 221da860373..c1d2f2dd40c 100644
--- a/lib/galaxy/selenium/navigates_galaxy.py
+++ b/lib/galaxy/selenium/navigates_galaxy.py
@@ -1445,6 +1445,10 @@ class NavigatesGalaxy(HasDriverProxy[WaitType]):
                 self.sleep_for(self.wait_types.UX_RENDER)
                 self.screenshot(screenshot_partial)
         self.drag_and_drop(source_element, sink_element)
+        if self._driver_impl.backend_type == "playwright":
+            # dispatch_event is synchronous but Vue reactivity (store updates,
+            # terminal type recalculation) runs in microtasks — wait for it.
+            self.sleep_for(self.wait_types.UX_RENDER)
 
     def workflow_editor_source_sink_terminal_ids(self, source, sink):
         editor = self.components.workflow_editor