some improve for sms delivery

tests/e2e/pages/tickets.py

@@ -18,6 +18,21 @@ class TicketConversationPage(BasePage):
         assert "reply_result=reply" in self.page.url
         expect(self.page.locator("[data-conversation]")).to_contain_text(body)
 
+    def open_composer(self):
+        launch = self.page.locator("[data-composer-toggle]")
+        expect(launch).to_be_visible()
+        launch.click()
+        expect(self.page.locator("[data-composer-shell]:not(.is-collapsed)")).to_be_visible()
+
+    def expect_latest_message_above_composer(self):
+        latest = self.page.locator("[data-message]").last
+        expect(latest).to_be_visible()
+        latest.scroll_into_view_if_needed()
+        message_box = latest.bounding_box()
+        composer_box = self.page.locator("[data-composer-shell]").bounding_box()
+        assert message_box and composer_box
+        assert message_box["y"] + message_box["height"] <= composer_box["y"] + 1
+
     @property
     def chat_guidance(self):
         return self.page.locator(".chat-coach-floating")