T3a.

Author: janiversen

test/datastore/test_context.py

@@ -39,8 +39,10 @@ def test_datastore_server(self):
         """Test ModbusServerContext."""
         dev = ModbusServerContext()
         str(dev)
+        dev = ModbusServerContext(devices={})
         dev = ModbusServerContext(single=False)
-
+        dev = ModbusServerContext(devices={1: {}}, single=False)
+        
     def test_datastore_server_iter(self):
         """Test ModbusServerContext."""
         dev = ModbusServerContext()