Implement early testing for serialize operator (not functional)

All the right code seems to be in place, but it seems the package won't go through with the serialize function because of read/write permissions (ERRNO 13)

src/blenderbim/blenderbim/bim/module/brick/operator.py

@@ -189,3 +189,10 @@ class RemoveBrick(bpy.types.Operator, Operator):
             library=tool.Ifc.get().by_id(int(props.libraries)) if props.libraries else None,
             brick_uri=props.bricks[props.active_brick_index].uri,
         )
+
+class SerializeBrick(bpy.types.Operator, Operator):
+    bl_idname = "bim.serialize_brick"
+    bl_label = "Serialize Brick"
+
+    def _execute(self, context):
+        core.serialize_brick(tool.Brick)