Spike: Incorporate AA accessibility tools and unit testing

[steveburtch]

The dev team will need to download, install and learn to use the AA tools recommended by QA.

axe cypress plugin -- talk to thor for example

Requirements (free AA checks)

1. Fill out Wiki for AA integration with Axe-cypress plugin
2. Test case example in BTR main (error msgs, selecting components, etc.)

[kialj876]

Proposed future stories/tickets for btr-main for accessibility tests:

• owner change (1st page) STORY:
  • datepicker select element ticket
    • fix pre-expansion errors
    • after expanding the datepicker
  • after expanding the form (regular + inside table)
    • form validations active on each element in the form ticket
    • form filled out ticket
    • dynamic pieces ticket
      • address dropdown active
      • countries of citizenship dropdown expanded
      • not possible to obtain data checkbox selected
  • summary table ticket
    • populated table fix existing errors
    • empty table
• review/confirm (2nd page) STORY
  • with validation error state on effective date / folio / certify ticket
  • summary table with no data, data, ceased data ticket
  • before folio / certified are entered/checked ticket
  • with effective date / folio / certify entered ticket
• header (expand menu, logged in/out) ticket for logged in, ticket for logged out
• breadcrumb ticket
• footer ticket
• business details ticket
• button layout ticket
• fee summary (with/without active fees) ticket