Web App Survey Accessibility - Button to expand/ collapse groups is unlabeled

[DarrenLloyd__DOIT]

When an accessibility screen reader is used to navigate the survey the end user sees an unlabeled button for the expand and collapse the groups. To help the person understand the action a label is needed.

Testing Tools: Apple iPhone 12 Mini with VoiceOver; Samsung Galaxy S9 with TalkBack; native mobile accessibility settings; Windows Desktop with Chrome Browser and Accessible Color Picker extension; Firefox Browser; standard QWERTY keyboard; NVDA Screen Reader; JAWS Screen Reader; aXe DevTools; ANDI Section 508 Accessibility Checker; iOS Desktop with Safari Browser with Voiceover enabled.