Update tests to match show_interface_labels default change

The default value of show_interface_labels has been changed to True.
Update test expectations to match this new default.

tests/controller/test_project.py

@@ -75,7 +75,7 @@ async def test_json():
         "scene_height": 1000,
         "zoom": 100,
         "show_grid": False,
-        "show_interface_labels": False,
+        "show_interface_labels": True,
         "show_layers": False,
         "snap_to_grid": False,
         "grid_size": 75,

tests/controller/test_topology.py

@@ -45,7 +45,7 @@ async def test_project_to_topology_empty(tmpdir):
             "revision": GNS3_FILE_FORMAT_REVISION,
             "zoom": 100,
             "show_grid": False,
-            "show_interface_labels": False,
+            "show_interface_labels": True,
             "show_layers": False,
             "snap_to_grid": False,
             "grid_size": 75,