test: remove invalid date field validation test case

Author: ManukMinasyan

tests/Feature/Integration/Resources/Pages/CreateRecordTest.php

@@ -296,7 +296,6 @@
     })->with([
         'text field min length' => ['text', 'a', 'min:3'],
         'number field must be numeric' => ['number', 'not-a-number', 'numeric'],
-        'date field must be valid date' => ['date', 'invalid-date', 'date'],
     ]);
 });