tests: refactor to pytest (conftest session fixture, sync wrappers for async, importorskip for playwright)

tests/test_api.py

@@ -1,8 +1,8 @@
-"""HTTP-level tests for ani-web (stdlib only). Run via tests/run.py or
-standalone against a running server: python tests/test_api.py <base_url>
+"""HTTP-level tests for ani-web (stdlib only), run via pytest.
 
-Uses a throwaway server + temp data dir (see run.py) — never touches
-the real server/data. Seeded users: admin/alice/bob (pw <name>pw12345).
+Uses the throwaway server + temp data dir from conftest.py — never
+touches the real server/data. Seeded users: admin/alice/bob/dave/erin
+(pw <name>pw12345).
 """
 import http.cookiejar as _cj
 import json
@@ -187,12 +187,3 @@ def _json(method, path, jar=None, base=BASE):
 def _users_file():
     import os
     return os.path.join(os.environ["ANIWEB_DATA"], "users.json")
-
-
-if __name__ == "__main__":
-    import sys
-    b = sys.argv[1] if len(sys.argv) > 1 else BASE
-    for name, fn in sorted(globals().items()):
-        if name.startswith("test_"):
-            print("ok", name)
-            fn(b)