code: def test_render_close_ambiguous():
      result = render("[green]X[bold]Y[/]Z[/]")
      assert str(result) == "XYZ"
      assert result.spans == [Span(0, 3, "green"), Span(1, 2, "bold")]
  
imports: import pytest
  from rich.console import Console
  from rich.errors import MarkupError
  from rich.markup import RE_TAGS, Tag, _parse, escape, render
  from rich.text import Span, Text
label_desc: Use image node_id 15 for calling a global function with example usage: test_render_close_ambiguous() without return types