Fix button selector for Lightning app e2e tests

Changes to the Lightning platform UI caused the e2e tests
to break because button text on the project creation dialog
was changed. This fixes the selector.

Author: alecmerdler

src/lightning_app/testing/testing.py

@@ -247,13 +247,20 @@ def run_app_in_cloud(app_folder: str, app_name: str = "app.py") -> Generator:
                 [LIGHTNING_CLOUD_PROJECT_ID],
             )
         admin_page.goto(f"{Config.url}/{Config.username}/apps")
+
+        # Closing the Create Project dialog.
         try:
-            # Closing the Create Project modal
-            button = admin_page.locator('button:has-text("Cancel")')
+            project_dialog = admin_page.locator('text=Create a project')
+            project_dialog.wait_for(timeout=10 * 1000, state="visible")
+            print("'Create Project' dialog visible, closing it.")
+            project_name_input = admin_page.locator('input[type="text"]')
+            project_name_input.fill("Default Project")
+            button = admin_page.locator('button:has-text("Continue")')
             button.wait_for(timeout=3 * 1000)
             button.click()
-        except (playwright._impl._api_types.Error, playwright._impl._api_types.TimeoutError):
-            pass
+        except playwright._impl._api_types.TimeoutError:
+            print("'Create Project' dialog not visible, skipping.")
+
         admin_page.locator(f"text={name}").click()
         admin_page.evaluate(
             """data => {