update_node_networks: fuelweb_admin network is set directly

update_node_networks: fuelweb_admin network is set directly
Automatic substitution is not supported ant it was a reason
for tests failure on the fuel-devops 3

Change-Id: Ia7dcee574c3146a870cd317dd991566af7eaefbe

fuelweb_test/models/fuel_web_client.py

@@ -3241,7 +3241,7 @@ class FuelWebClient30(FuelWebClient29):
             interfaces.extend(raw_data)
 
         def get_iface_by_name(ifaces, name):
-            iface = [i for i in ifaces if i['name'] == name]
+            iface = [_iface for _iface in ifaces if _iface['name'] == name]
             assert_true(len(iface) > 0,
                         "Interface with name {} is not present on "
                         "node. Please check override params.".format(name))

fuelweb_test/tests/test_ha_one_controller.py

@@ -625,6 +625,7 @@ class NodeMultipleInterfaces(TestBasic):
         self.env.revert_snapshot("ready_with_3_slaves")
 
         interfaces_dict = {
+            iface_alias('eth0'): ['fuelweb_admin'],
             iface_alias('eth1'): ['public'],
             iface_alias('eth2'): ['storage'],
             iface_alias('eth3'): ['private'],

fuelweb_test/tests/test_offloading_types.py

@@ -29,6 +29,7 @@ from fuelweb_test.tests.base_test_case import TestBasic
 class TestOffloading(TestBasic):
 
     interfaces = {
+        settings.iface_alias('eth0'): ['fuelweb_admin'],
         settings.iface_alias('eth1'): ['public'],
         settings.iface_alias('eth2'): ['management'],
         settings.iface_alias('eth3'): ['private'],