Revert "fix(runtime): make plugin and box connectors resilient"

This reverts commit 0b461e5830.

tests/unit_tests/plugin/test_connector_methods.py

@@ -62,25 +62,6 @@ class TestListPlugins:
 
         assert result == []
 
-    @pytest.mark.asyncio
-    async def test_returns_empty_while_runtime_is_disconnected(self):
-        connector = create_mock_connector()
-
-        result = await connector.list_plugins()
-
-        assert result == []
-
-    @pytest.mark.asyncio
-    async def test_returns_empty_after_managed_transport_disconnects(self):
-        connector = create_mock_connector()
-        connector.handler = AsyncMock()
-        connector._transport_task = Mock()
-
-        result = await connector.list_plugins()
-
-        assert result == []
-        connector.handler.list_plugins.assert_not_called()
-
     @pytest.mark.asyncio
     async def test_calls_handler_list_plugins(self):
         """Test that handler.list_plugins is called."""
@@ -313,12 +294,6 @@ class TestListKnowledgeEngines:
         connector.handler.list_knowledge_engines.assert_called_once()
         assert result == [{'plugin_id': 'author/engine', 'name': 'Engine'}]
 
-    @pytest.mark.asyncio
-    async def test_returns_empty_while_runtime_is_disconnected(self):
-        connector = create_mock_connector()
-
-        assert await connector.list_knowledge_engines() == []
-
 
 class TestListParsers:
     """Tests for list_parsers method."""
@@ -356,12 +331,6 @@ class TestListParsers:
         connector.handler.list_parsers.assert_called_once()
         assert result == [{'plugin_id': 'author/parser', 'supported_mime_types': ['text/plain']}]
 
-    @pytest.mark.asyncio
-    async def test_returns_empty_while_runtime_is_disconnected(self):
-        connector = create_mock_connector()
-
-        assert await connector.list_parsers() == []
-
 
 class TestCallParser:
     """Tests for call_parser method."""