fix(autocomplete-appropriate): pass for autocomplete=username and type=email

lib/checks/forms/autocomplete-appropriate-evaluate.js

@@ -12,6 +12,7 @@ function autocompleteAppropriateEvaluate(node, options, virtualNode) {
   const allowedTypesMap = {
     bday: ['text', 'search', 'date'],
     email: ['text', 'search', 'email'],
+    username: ['text', 'search', 'email'],
     'street-address': ['text'], // Issue: https://github.com/dequelabs/axe-core/issues/1161
     tel: ['text', 'search', 'tel'],
     'tel-country-code': ['text', 'search', 'tel'],

test/checks/forms/autocomplete-appropriate.js

@@ -72,6 +72,12 @@ describe('autocomplete-appropriate', function() {
     assert.isTrue(evaluate.apply(checkContext, params));
   });
 
+  it('returns true if the input type is email and the term is username', function() {
+    var options = {};
+    var params = autocompleteCheckParams('username', 'email', options);
+    assert.isTrue(evaluate.apply(checkContext, params));
+  });
+
   it('returns false if the input type is text and the term maps to an empty array', function() {
     var options = { foo: [] };
     var params = autocompleteCheckParams('foo', 'text', options);

test/commons/text/is-valid-autocomplete.js

@@ -48,7 +48,7 @@ describe('text.isValidAutocomplete', function() {
     );
   });
 
-  it('returns true if "home", "work", "mobile", "fax" or "pager" is used before aqualifier', function() {
+  it('returns true if "home", "work", "mobile", "fax" or "pager" is used before a qualifier', function() {
     ['home', 'work', 'mobile', 'fax', 'pager'].forEach(function(qualifier) {
       assert.isTrue(
         isValidAutocomplete(qualifier + ' qualified-term', options),

test/integration/rules/autocomplete-valid/autocomplete-valid.html

@@ -124,6 +124,7 @@
 <input autocomplete="work tel-local-suffix" id="pass60" />
 <input autocomplete="SECTION-foo mobile tel-extension" id="pass61" />
 <input autocomplete="fax email" id="pass62" />
+<input type="username" autocomplete="email" id="pass83" />
 <input autocomplete="pager impp" id="pass63" />
 <input
   autocomplete="off"

test/integration/rules/autocomplete-valid/autocomplete-valid.json

@@ -93,6 +93,7 @@
     ["#pass79"],
     ["#pass80"],
     ["#pass81"],
-    ["#pass82"]
+    ["#pass82"],
+    ["#pass83"]
   ]
 }