Upgrade dev dependencies and fix issues after upgrading to pytest-aiohttp v1.0.4

tests/controller/gns3vm/test_remote_gns3_vm.py

@@ -55,7 +55,7 @@ async def test_start(gns3vm, controller):
     assert gns3vm.password == "world"
 
 
-async def test_start_invalid_vm(loop, gns3vm, controller):
+async def test_start_invalid_vm(gns3vm, controller):
 
     await controller.add_compute("r1",
                                  name="R1",

tests/controller/gns3vm/test_virtualbox_gns3_vm.py

@@ -15,8 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import pytest
-import asyncio
+import pytest_asyncio
 
 from tests.utils import asyncio_patch, AsyncioMagicMock
 from gns3server.utils.asyncio import wait_run_in_executor
@@ -25,8 +24,8 @@ from unittest.mock import patch
 from gns3server.controller.gns3vm.virtualbox_gns3_vm import VirtualBoxGNS3VM
 
 
-@pytest.fixture
-async def gns3vm(loop, controller):
+@pytest_asyncio.fixture
+async def gns3vm(controller):
 
     vm = VirtualBoxGNS3VM(controller)
     vm.vmname = "GNS3 VM"

tests/controller/gns3vm/test_vmware_gns3_vm.py

@@ -16,12 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import pytest
+import pytest_asyncio
 
 from gns3server.controller.gns3vm.vmware_gns3_vm import VMwareGNS3VM
 
 
-@pytest.fixture
-async def gns3vm(loop, controller):
+@pytest_asyncio.fixture
+async def gns3vm(controller):
 
     vm = VMwareGNS3VM(controller)
     vm.vmname = "GNS3 VM"