code: def test_expr_doc_attr_access():
      target = IdDoc("x")
      attr = "test"
  
      doc = target.attr(attr)
  
      assert doc.value == target
      assert doc.name == attr
  
imports: import pytest
  import tvm
  from tvm.runtime import ObjectPath
  from tvm.script.printer.doc import AssertDoc, AssignDoc, AttrAccessDoc, CallDoc, ClassDoc, CommentDoc, DictDoc, DocStringDoc, ExprStmtDoc, ForDoc, FunctionDoc, IdDoc, IfDoc, IndexDoc, LambdaDoc, ListDoc, LiteralDoc, OperationDoc, OperationKind, ReturnDoc, ScopeDoc, SliceDoc, StmtBlockDoc, TupleDoc, WhileDoc
label_desc: Use image node_id 12 for calling a global function with example usage: test_expr_doc_attr_access() without return types