[wdspec] Move permissions to external/ (#44045)

diff --git a/webdriver/tests/bidi/permissions/__init__.py b/webdriver/tests/bidi/external/permissions/__init__.py
similarity index 100%
rename from webdriver/tests/bidi/permissions/__init__.py
rename to webdriver/tests/bidi/external/permissions/__init__.py
diff --git a/webdriver/tests/bidi/permissions/set_permission/__init__.py b/webdriver/tests/bidi/external/permissions/set_permission/__init__.py
similarity index 100%
rename from webdriver/tests/bidi/permissions/set_permission/__init__.py
rename to webdriver/tests/bidi/external/permissions/set_permission/__init__.py
diff --git a/webdriver/tests/bidi/permissions/set_permission/invalid.py b/webdriver/tests/bidi/external/permissions/set_permission/invalid.py
similarity index 97%
rename from webdriver/tests/bidi/permissions/set_permission/invalid.py
rename to webdriver/tests/bidi/external/permissions/set_permission/invalid.py
index 8f67425..0ef8c57 100644
--- a/webdriver/tests/bidi/permissions/set_permission/invalid.py
+++ b/webdriver/tests/bidi/external/permissions/set_permission/invalid.py
@@ -2,8 +2,6 @@
 import webdriver.bidi.error as error
 from webdriver.bidi.undefined import UNDEFINED
 
-from . import get_permission_state
-
 pytestmark = pytest.mark.asyncio
 
 @pytest.mark.parametrize("descriptor", [False, "SOME_STRING", 42, {}, [], {"name": 23}, None, UNDEFINED])
diff --git a/webdriver/tests/bidi/permissions/set_permission/set_permission.py b/webdriver/tests/bidi/external/permissions/set_permission/set_permission.py
similarity index 100%
rename from webdriver/tests/bidi/permissions/set_permission/set_permission.py
rename to webdriver/tests/bidi/external/permissions/set_permission/set_permission.py