Raise an error if server flagged as local but should not

If the controller is not started with --local but the server ID
is local it's raise an error.

tests/controller/test_server.py

@@ -15,9 +15,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import pytest
 
-from gns3server.controller.server import Server
+import pytest
+from unittest.mock import patch
+
+from gns3server.controller.server import Server, ServerError
 
 
 @pytest.fixture
@@ -29,6 +31,19 @@ def test_init(server):
     assert server.id == "my_server_id"
 
 
+def test_server_local(server):
+    """
+    If the server is local but the server id is local
+    it's a configuration issue
+    """
+
+    with patch("gns3server.config.Config.get_section_config", return_value={"local": False}):
+        with pytest.raises(ServerError):
+            s = Server("local")
+
+    with patch("gns3server.config.Config.get_section_config", return_value={"local": True}):
+        s = Server("test")
+
 def test_json(server):
     assert server.__json__() == {
         "server_id": "my_server_id",
@@ -40,9 +55,3 @@ def test_json(server):
         "version": None
     }
 
-
-def test__eq__(server):
-    assert server != 1
-    assert server == server
-    assert server == Server("my_server_id")
-    assert server != Server("test")