Adding blank value test

Author: elnelson575

tests/playwright/shiny/components/datepicker/app.py

@@ -84,10 +84,8 @@ def empty_format():
     def _():
         d = date.fromisoformat("2011-11-05")
         ui.update_date("start_date_picker", value=d)
+        ui.update_date("min_date_picker", value="")
         ui.update_date("str_date_picker", value="2020-01-01")
 
-    # Note: You cannot update the value of a date input to None (it will be dropped).
-    # Note: You cannot update the value of a date input to an empty string. This is a Bootstrap Datepicker limitation.
-
 
 app = App(app_ui, server, debug=True)

tests/playwright/shiny/components/datepicker/test_datepicker.py

@@ -55,5 +55,8 @@ def test_dynamic_navs(page: Page, local_app: ShinyAppProc) -> None:
     date1.expect_value("05.11.2011")
     date_output.expect_value("Date Picker Value: 2011-11-05")
 
+    date2.expect_value("")
+    date_output2.expect_value("Date Picker Value: None")
+
     date3.expect_value("01-01-2020")
     date_output3.expect_value("Date Picker Value: 2020-01-01")