Use pytest-asyncio in auto mode

Remove overly genereric `pytestmark=pytest.mark.asyncio` causing lots of warning noise

Author: kristjanvalur

tests/test_asyncio/test_bloom.py

@@ -4,8 +4,6 @@
 from redis.exceptions import ModuleError, RedisError
 from redis.utils import HIREDIS_AVAILABLE
 
-pytestmark = pytest.mark.asyncio
-
 
 def intlist(obj):
     return [int(v) for v in obj]

tests/test_asyncio/test_cluster.py

@@ -39,8 +39,6 @@
     skip_unless_arch_bits,
 )
 
-pytestmark = pytest.mark.asyncio
-
 default_host = "127.0.0.1"
 default_port = 7000
 default_cluster_slots = [

tests/test_asyncio/test_commands.py

@@ -27,9 +27,6 @@
 REDIS_6_VERSION = "5.9.0"
 
 
-pytestmark = pytest.mark.asyncio
-
-
 @pytest_asyncio.fixture()
 async def slowlog(r: redis.Redis, event_loop):
     current_config = await r.config_get()

tests/test_asyncio/test_connection.py

@@ -10,8 +10,6 @@
 
 from .compat import mock
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.onlynoncluster
 @pytest.mark.skipif(HIREDIS_AVAILABLE, reason="PythonParser only")

tests/test_asyncio/test_connection_pool.py

@@ -17,8 +17,6 @@
 from .compat import mock
 from .test_pubsub import wait_for_message
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.onlynoncluster
 class TestRedisAutoReleaseConnectionPool:

tests/test_asyncio/test_encoding.py

@@ -10,8 +10,6 @@
 import redis.asyncio as redis
 from redis.exceptions import DataError
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.onlynoncluster
 class TestEncoding:

tests/test_asyncio/test_json.py

@@ -5,8 +5,6 @@
 from redis.commands.json.path import Path
 from tests.conftest import skip_ifmodversion_lt
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.redismod
 async def test_json_setbinarykey(modclient: redis.Redis):

tests/test_asyncio/test_lock.py

@@ -11,8 +11,6 @@
 from redis.asyncio.lock import Lock
 from redis.exceptions import LockError, LockNotOwnedError
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.onlynoncluster
 class TestLock:

tests/test_asyncio/test_monitor.py

@@ -4,8 +4,6 @@
 
 from .conftest import wait_for_command
 
-pytestmark = pytest.mark.asyncio
-
 
 @pytest.mark.onlynoncluster
 class TestMonitor:

tests/test_asyncio/test_pipeline.py

@@ -5,8 +5,6 @@
 
 from .conftest import wait_for_command
 
-pytestmark = pytest.mark.asyncio
-
 
 class TestPipeline:
     @pytest.mark.onlynoncluster