Upgrade dev dependencies and fix tests to support pytest-asyncio strict mode

tests/compute/qemu/test_qemu_vm.py

@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import pytest
+import pytest_asyncio
 import asyncio
 import os
 import stat
@@ -32,8 +33,7 @@ from gns3server.utils import force_unix_path, macaddress_to_int, int_to_macaddre
 from gns3server.compute.notification_manager import NotificationManager
 
 
-@pytest.fixture
-@pytest.mark.asyncio
+@pytest_asyncio.fixture
 async def manager(port_manager):
 
     m = Qemu.instance()
@@ -63,8 +63,7 @@ def fake_qemu_binary(monkeypatch, tmpdir):
     return bin_path
 
 
-@pytest.fixture(scope="function")
-@pytest.mark.asyncio
+@pytest_asyncio.fixture(scope="function")
 async def vm(compute_project, manager, fake_qemu_binary, fake_qemu_img_binary):
 
     manager.port_manager.console_host = "127.0.0.1"