test/integration: don't check for deprecated Networks field

These tests depended on the deprecated Spec.Networks field, which
is no longer part of current API versions, causing the test to
fail;

    =================================== FAILURES ===================================
    _____________ ServiceTest.test_create_service_with_custom_networks _____________
    tests/integration/api_service_test.py:379: in test_create_service_with_custom_networks
    assert 'Networks' in svc_info['Spec']
    E   AssertionError: assert 'Networks' in {'Labels': {}, 'Mode': {'Replicated': {'Replicas': 1}}, 'Name': 'dockerpytest_a538894175d07404', 'TaskTemplate': {'Con...pec': {'Command': ['true'], 'Image': 'alpine:3.10', 'Isolation': 'default'}, 'ForceUpdate': 0, 'Runtime': 'container'}}
    ____________ ServiceTest.test_update_service_with_defaults_networks ____________
    tests/integration/api_service_test.py:1128: in test_update_service_with_defaults_networks
    assert 'Networks' in svc_info['Spec']
    E   AssertionError: assert 'Networks' in {'Labels': {}, 'Mode': {'Replicated': {'Replicas': 1}}, 'Name': 'dockerpytest_6d8e30f359c0f5e', 'TaskTemplate': {'Cont...pec': {'Command': ['true'], 'Image': 'alpine:3.10', 'Isolation': 'default'}, 'ForceUpdate': 0, 'Runtime': 'container'}}
    _____________ ServiceTest.test_update_service_with_network_change ______________
    tests/integration/api_service_test.py:1333: in test_update_service_with_network_change
    assert 'Networks' in svc_info['Spec']
    E   AssertionError: assert 'Networks' in {'Labels': {}, 'Mode': {'Replicated': {'Replicas': 1}}, 'Name': 'dockerpytest_d4e23667cdbaf159', 'TaskTemplate': {'Con... {'Command': ['echo', 'hello'], 'Image': 'busybox', 'Isolation': 'default'}, 'ForceUpdate': 0, 'Runtime': 'container'}}
    ------- generated xml file: /src/bundles/test-docker-py/junit-report.xml -------
    =========================== short test summary info ============================

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

tests/integration/api_service_test.py

@@ -375,8 +375,8 @@ def test_create_service_with_custom_networks(self):
             ]
         )
         svc_info = self.client.inspect_service(svc_id)
-        assert 'Networks' in svc_info['Spec']
-        assert svc_info['Spec']['Networks'] == [
+        assert 'Networks' in svc_info['Spec']['TaskTemplate']
+        assert svc_info['Spec']['TaskTemplate']['Networks'] == [
             {'Target': net1['Id']}, {'Target': net2['Id']}
         ]
 
@@ -1124,8 +1124,8 @@ def test_update_service_with_defaults_networks(self):
             ]
         )
         svc_info = self.client.inspect_service(svc_id)
-        assert 'Networks' in svc_info['Spec']
-        assert svc_info['Spec']['Networks'] == [
+        assert 'Networks' in svc_info['Spec']['TaskTemplate']
+        assert svc_info['Spec']['TaskTemplate']['Networks'] == [
             {'Target': net1['Id']}, {'Target': net2['Id']}
         ]
 
@@ -1329,9 +1329,9 @@ def test_update_service_with_network_change(self):
             task_tmpl, name=name, networks=[net1['Id']]
         )
         svc_info = self.client.inspect_service(svc_id)
-        assert 'Networks' in svc_info['Spec']
-        assert len(svc_info['Spec']['Networks']) > 0
-        assert svc_info['Spec']['Networks'][0]['Target'] == net1['Id']
+        assert 'Networks' in svc_info['Spec']['TaskTemplate']
+        assert len(svc_info['Spec']['TaskTemplate']['Networks']) > 0
+        assert svc_info['Spec']['TaskTemplate']['Networks'][0]['Target'] == net1['Id']
 
         svc_info = self.client.inspect_service(svc_id)
         version_index = svc_info['Version']['Index']