Run all relevant Axe accessibility test groups (#11189)

* Run Axe scan against all WCAG 2.0-2.2 A & AA

changelog: Internal, Accessibility Tests, Run Axe scan against all WCAG 2.0-2.2 A & AA

* Exclude intl-tel-input from accessibility test

Gemfile.lock

@@ -197,11 +197,11 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.9.1)
       aws-eventstream (~> 1, >= 1.0.2)
-    axe-core-api (4.9.1)
+    axe-core-api (4.10.0)
       dumb_delegator
       virtus
-    axe-core-rspec (4.9.1)
-      axe-core-api (= 4.9.1)
+    axe-core-rspec (4.10.0)
+      axe-core-api (= 4.10.0)
       dumb_delegator
       virtus
     axiom-types (0.1.1)

spec/support/matchers/accessibility.rb

@@ -337,7 +337,17 @@ def fieldset_legend_name(element)
 end
 
 def expect_page_to_have_no_accessibility_violations(page, validate_markup: true)
-  expect(page).to be_axe_clean.according_to(:wcag22aa, :"best-practice")
+  expect(page).to be_axe_clean.according_to(
+    :wcag2a,
+    :wcag2aa,
+    :wcag21a,
+    :wcag21aa,
+    :wcag22a,
+    :wcag22aa,
+    :"best-practice",
+  ).excluding(
+    '.iti__selected-flag', # See: LG-14382
+  )
   expect(page).to have_unique_ids
   expect(page).to have_valid_idrefs
   expect(page).to label_required_fields