Fix flake8 errors for junos tests (#66645)

Deal with F841 local variable foo is assigned to but never used
errors.

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

test/units/modules/network/junos/test_junos_config.py

@@ -172,7 +172,6 @@ class TestJunosConfigModule(TestJunosModule):
         self.assertEqual(kwargs['format'], 'json')
 
     def test_junos_config_zeroize(self):
-        src = load_fixture('junos_config.json', content='str')
         set_module_args(dict(zeroize='yes'))
         self.execute_module(changed=True)
         self.assertEqual(self.exec_rpc.call_count, 1)

test/units/modules/network/junos/test_junos_rpc.py

@@ -100,7 +100,7 @@ class TestJunosCommandModule(TestJunosModule):
 
     def test_junos_rpc_args(self):
         set_module_args(dict(rpc='get-software-information', args={'interface': 'em0', 'media': True}))
-        result = self.execute_module(format='xml')
+        self.execute_module(format='xml')
         args, kwargs = self.exec_rpc.call_args
         reply = args[1]
         self.assertTrue(reply.find('<interface>em0</interface><media /></get-software-information>'))