107866: Add support for verifying SemanticsNode ordering in widget tests (#113133)

packages/flutter/lib/src/widgets/basic.dart

@@ -6848,7 +6848,7 @@ class MetaData extends SingleChildRenderObjectWidget {
 /// A widget that annotates the widget tree with a description of the meaning of
 /// the widgets.
 ///
-/// Used by accessibility tools, search engines, and other semantic analysis
+/// Used by assitive technologies, search engines, and other semantic analysis
 /// software to determine the meaning of the application.
 ///
 /// {@youtube 560 315 https://www.youtube.com/watch?v=NvtMt_DtFrQ}