Revert "support admin_email config and pass through into blocking errors, return AuthError in all cases"

This reverts commit 0d43f991a1.

tests/api/test_auth.py

@@ -455,11 +455,8 @@ class AuthTestCase(unittest.TestCase):
             return_value=defer.succeed(lots_of_users)
         )
 
-        with self.assertRaises(AuthError) as e:
+        with self.assertRaises(AuthError):
             yield self.auth.check_auth_blocking()
-        self.assertEquals(e.exception.admin_email, self.hs.config.admin_email)
-        self.assertEquals(e.exception.errcode, Codes.MAU_LIMIT_EXCEEDED)
-        self.assertEquals(e.exception.code, 403)
 
         # Ensure does not throw an error
         self.store.get_monthly_active_count = Mock(
@@ -473,6 +470,5 @@ class AuthTestCase(unittest.TestCase):
         self.hs.config.hs_disabled_message = "Reason for being disabled"
         with self.assertRaises(AuthError) as e:
             yield self.auth.check_auth_blocking()
-        self.assertEquals(e.exception.admin_email, self.hs.config.admin_email)
         self.assertEquals(e.exception.errcode, Codes.HS_DISABLED)
         self.assertEquals(e.exception.code, 403)

tests/handlers/test_register.py

@@ -17,7 +17,7 @@ from mock import Mock
 
 from twisted.internet import defer
 
-from synapse.api.errors import AuthError
+from synapse.api.errors import RegistrationError
 from synapse.handlers.register import RegistrationHandler
 from synapse.types import UserID, create_requester
 
@@ -109,7 +109,7 @@ class RegistrationTestCase(unittest.TestCase):
         self.store.get_monthly_active_count = Mock(
             return_value=defer.succeed(self.lots_of_users)
         )
-        with self.assertRaises(AuthError):
+        with self.assertRaises(RegistrationError):
             yield self.handler.get_or_create_user("requester", 'b', "display_name")
 
     @defer.inlineCallbacks
@@ -118,7 +118,7 @@ class RegistrationTestCase(unittest.TestCase):
         self.store.get_monthly_active_count = Mock(
             return_value=defer.succeed(self.lots_of_users)
         )
-        with self.assertRaises(AuthError):
+        with self.assertRaises(RegistrationError):
             yield self.handler.register(localpart="local_part")
 
     @defer.inlineCallbacks
@@ -127,5 +127,5 @@ class RegistrationTestCase(unittest.TestCase):
         self.store.get_monthly_active_count = Mock(
             return_value=defer.succeed(self.lots_of_users)
         )
-        with self.assertRaises(AuthError):
+        with self.assertRaises(RegistrationError):
             yield self.handler.register_saml2(localpart="local_part")

tests/utils.py

@@ -139,7 +139,6 @@ def setup_test_homeserver(
         config.hs_disabled_message = ""
         config.max_mau_value = 50
         config.mau_limits_reserved_threepids = []
-        config.admin_email = None
 
         # we need a sane default_room_version, otherwise attempts to create rooms will
         # fail.