update script according to empty sink issue #3

xsql/processors/xsql_processor_test.go

@@ -1111,7 +1111,6 @@ func TestSingleSQLError(t *testing.T) {
 				{{
 					"rengine_field_0": float64(10),
 				}},
-				{{}},
 			},
 			s: "op_filter_0_records_in_total",
 			m: map[string]interface{}{