withImeConnectionNotifier method
Configures the SuperEditor with the given isImeConnected notifier, which allows test
code to listen for changes to the IME connection from within SuperEditor.
Implementation
TestSuperEditorConfigurator withImeConnectionNotifier(ValueNotifier<bool>? isImeConnected) {
_config.isImeConnected = isImeConnected ?? ValueNotifier<bool>(false);
return this;
}