added requested changes

src/plone/api/tests/test_content.py

@@ -1014,6 +1014,7 @@ def test_find_interface_dict(self):
                 "operator": "and",
             },
         )
+        # Plone Site also implements the IContentish and INavigationRoot interfaces.
         self.assertEqual(len(brains), 2)
 
         # plone.api query using interfaces
@@ -1023,7 +1024,7 @@ def test_find_interface_dict(self):
                 "operator": "and",
             },
         )
-        self.assertEqual(len(brains), 1)
+        self.assertEqual(len(brains), 2)
 
     def test_find_interface_dict__include_not_query(self):
         """Check if not query in object_provides is functional."""
@@ -1041,8 +1042,8 @@ def test_find_interface_dict__include_not_query(self):
                 "not": INavigationRoot.__identifier__,
             },
         )
-
-        self.assertEqual(len(brains_all) - len(brains), 0)
+        # Plone Site also implements the IContentish and INavigationRoot interfaces.
+        self.assertEqual(len(brains_all) - len(brains), 2)
 
     def test_find_interface_dict__all_options(self):
         """Check for all options in a object_provides query are correctly