[cupertino_ui] Create util files. Remove widgets import in adaptive_text_selection_toolbar_test.dart and text_selection_test.dart - #12023

[cupertino_ui] Create util files. Remove widgets import in adaptive_text_selection_toolbar_test.dart and text_selection_test.dart#12023

auto-submit[bot] merged 1 commit into

flutter:mainflutter/packages:mainfrom

QuncCccccc:enable_cupertino_text_selection_testQuncCccccc/packages:enable_cupertino_text_selection_testCopy head branch name to clipboard