fix auth tests

Author: harminius

server/Pipfile

@@ -41,9 +41,9 @@ importlib-metadata = "==8.4.0"  # https://github.com/pallets/flask/issues/4502
 typing_extensions = "==4.12.2"
 python-magic = "==0.4.27"
 click = "==8.2.0"
+regex = "==2025.11.3"
 # requirements for development on windows
 colorama = "==0.4.5"
-regex = "2025.11.3"
 
 [dev-packages]
 pytest = "==8.3.2"

server/mergin/tests/test_auth.py

@@ -937,12 +937,12 @@ def test_server_usage(client):
     ("日人日本人", True),  # non-ascii character
     ("usér", True),  # non-ascii character
     ("user\\", False),  # disallowed character
-    ("user\260", True),  # non-ascii character (°)
+    ("user\260", False),  # not letter character (°)
     ("user|", False),  # vertical bar
     ("us er", False),  # space in the middle
     ("us,er", False),  # comma
     ("us—er", False),  # dash
-    ("us'er", False),  # apostrophe
+    ("us´er", False),  # acute accent
     (" user", True),  # starting with space (will be stripped)
     ("us.er", True),  # dot in the middle
     (".user", False),  # starting with dot