tests: Fix import order

Spotted by new ruff.

Author: martinpitt

tests/test_bluez5.py

@@ -25,9 +25,9 @@
 import dbus
 import dbus.mainloop.glib
 from gi.repository import GLib
+from packaging.version import Version
 
 import dbusmock
-from packaging.version import Version
 
 tracemalloc.start(25)
 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

tests/test_networkmanager.py

@@ -21,6 +21,7 @@
 import dbus
 import dbus.mainloop.glib
 from gi.repository import GLib
+from packaging.version import Version
 
 import dbusmock
 from dbusmock.templates.networkmanager import (
@@ -35,7 +36,6 @@
     NMConnectivityState,
     NMState,
 )
-from packaging.version import Version
 
 tracemalloc.start(25)
 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)