diff --git a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/invalid.py b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/invalid.py
index 4eb449b2ee80..52aabca2670e 100644
--- a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/invalid.py
+++ b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/invalid.py
@@ -59,10 +59,23 @@ async def test_params_locator_value_invalid_type(
         )
 
 
+@pytest.mark.parametrize("value", [None, False, 42, {}, []])
+async def test_params_locator_accessability_value_invalid_type(
+    bidi_session, inline, top_context, value
+):
+    await navigate_to_page(bidi_session, inline, top_context)
+
+    with pytest.raises(error.InvalidArgumentException):
+        await bidi_session.browsing_context.locate_nodes(
+            context=top_context["context"], locator={"type": "accessability", "value": value}
+        )
+
+
 @pytest.mark.parametrize("type,value", [
     ("css", "a*b"),
     ("xpath", ""),
-    ("innerText", "")
+    ("innerText", ""),
+    ("accessibility", {})
 ])
 async def test_params_locator_value_invalid_value(bidi_session, inline, top_context, type, value):
     await navigate_to_page(bidi_session, inline, top_context)
diff --git a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/locator.py b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/locator.py
index e560fa9239db..66c512d792a4 100644
--- a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/locator.py
+++ b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/locator.py
@@ -6,11 +6,17 @@ from ... import any_string, recursive_compare
 @pytest.mark.parametrize("type,value", [
     ("css", "div"),
     ("xpath", "//div"),
-    ("innerText", "foobarBARbaz")
+    ("innerText", "foobarBARbaz"),
+    ("accessibility", {"role": "banner"}),
+    ("accessibility", {"name": "foo"}),
+    ("accessibility", {"role": "banner", "name": "foo"}),
 ])
 @pytest.mark.asyncio
 async def test_find_by_locator(bidi_session, inline, top_context, type, value):
-    url = inline("""<div data-class="one">foobarBARbaz</div><div data-class="two">foobarBARbaz</div>""")
+    url = inline("""
+        <div data-class="one" role="banner" aria-label="foo">foobarBARbaz</div>
+        <div data-class="two" role="banner" aria-label="foo">foobarBARbaz</div>
+    """)
     await bidi_session.browsing_context.navigate(
         context=top_context["context"], url=url, wait="complete"
     )
@@ -165,3 +171,69 @@ async def test_find_by_inner_text(bidi_session, inline, top_context, locator, ex
     )
 
     recursive_compare(expected, result["nodes"])
+
+
+@pytest.mark.parametrize(
+    "html,locator_value,expected_node_local_name",
+    [
+        (
+            "<article data-class='one'>foo</article><div data-class='two'>bar</div>",
+            {"role": "article"},
+            "article",
+        ),
+        (
+            "<input role='searchbox' data-class='one' /><input data-class='two' type='text'/>",
+            {"role": "searchbox"},
+            "input",
+        ),
+        (
+            "<button data-class='one'>Ok</button><button data-class='two'>Cancel</button>",
+            {"name": "Ok"},
+            "button",
+        ),
+        (
+            "<button data-class='one' aria-labelledby='one two'></button><div id='one'>ok</div><div id='two'>go</div><button data-class='two'>Cancel</button>",
+            {"name": "ok go"},
+            "button",
+        ),
+        (
+            "<button data-class='one' aria-label='foo'>bar</button><button data-class='two' aria-label='bar'>foo</button>",
+            {"name": "foo"},
+            "button",
+        ),
+        (
+            "<div role='banner' aria-label='foo' data-class='one'></div><div role='banner'  data-class='two'></div><div aria-label='foo' data-class='three'></div>",
+            {"role": "banner", "name": "foo"},
+            "div",
+        ),
+    ],
+)
+@pytest.mark.asyncio
+async def test_locate_by_accessibility_attributes(
+    bidi_session,
+    inline,
+    top_context,
+    html,
+    locator_value,
+    expected_node_local_name,
+):
+    await bidi_session.browsing_context.navigate(
+        context=top_context["context"], url=inline(html), wait="complete"
+    )
+
+    expected = [
+        {
+            "type": "node",
+            "value": {
+                "attributes": {"data-class": "one"},
+                "localName": expected_node_local_name,
+            },
+        }
+    ]
+
+    result = await bidi_session.browsing_context.locate_nodes(
+        context=top_context["context"],
+        locator={"type": "accessibility", "value": locator_value},
+    )
+
+    recursive_compare(expected, result["nodes"])
diff --git a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/max_node_count.py b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/max_node_count.py
index 4652026e96fa..9d9c05260bc0 100644
--- a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/max_node_count.py
+++ b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/max_node_count.py
@@ -43,6 +43,45 @@ from ... import any_string, recursive_compare
             },
         }]
     ),
+    ("accessibility", {"role": "banner"}, 1, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
+    ("accessibility", {"name": "bar"}, 1, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
+    ("accessibility", {"role": "banner", "name": "bar"}, 1, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
     ("css", "div", 10, [
         {
             "type": "node",
@@ -114,18 +153,96 @@ from ... import any_string, recursive_compare
                 "nodeType": 1,
             },
         }]
-    )
+    ),
+    ("accessibility", {"role": "banner"}, 10, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }, {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"two"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
+    ("accessibility", {"name": "bar"}, 10, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }, {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"two"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
+    ("accessibility", {"role": "banner", "name": "bar"}, 10, [
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }, {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"two"},
+                "childNodeCount": 1,
+                "localName": "div",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            },
+        }]
+    ),
 ], ids=[
     "css_single",
     "xpath_single",
     "inner_text_single",
+    "accessibility_role_single",
+    "accessibility_name_single",
+    "accessibility_role_name_single",
     "css_multiple",
     "xpath_multiple",
-    "inner_text_multiple"
+    "inner_text_multiple",
+    "accessibility_role_multiple",
+    "accessibility_name_multiple",
+    "accessibility_role_name_multiple",
 ])
 @pytest.mark.asyncio
 async def test_find_by_locator_limit_return_count(bidi_session, inline, top_context, type, value, max_count, expected):
-    url = inline("""<div data-class="one">foo</div><div data-class="two">foo</div>""")
+    url = inline("""
+        <div data-class="one" role="banner" aria-label="bar">foo</div>
+        <div data-class="two" role="banner" aria-label="bar">foo</div>
+    """)
     await bidi_session.browsing_context.navigate(
         context=top_context["context"], url=url, wait="complete"
     )
diff --git a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/start_nodes.py b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/start_nodes.py
index 707d83a337d8..f44a6d4857c0 100644
--- a/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/start_nodes.py
+++ b/testing/web-platform/tests/webdriver/tests/bidi/browsing_context/locate_nodes/start_nodes.py
@@ -92,13 +92,59 @@ from ... import any_string, recursive_compare
                 "namespaceURI": "http://www.w3.org/1999/xhtml",
                 "nodeType": 1,
             }
-    }])
+    }]),
+    ("accessibility", {"role": "banner"}, [{
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "p",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            }
+        },
+        {
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"two"},
+                "childNodeCount": 1,
+                "localName": "p",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            }
+    }]),
+    ("accessibility", {"name": "bar"}, [{
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "p",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            }
+        }
+    ]),
+    ("accessibility", {"role": "banner", "name": "bar"}, [{
+            "type": "node",
+            "sharedId": any_string,
+            "value": {
+                "attributes": {"data-class":"one"},
+                "childNodeCount": 1,
+                "localName": "p",
+                "namespaceURI": "http://www.w3.org/1999/xhtml",
+                "nodeType": 1,
+            }
+        }
+    ])
 ])
 @pytest.mark.asyncio
 async def test_locate_with_context_nodes(bidi_session, inline, top_context, type, value, expected):
     url = inline("""<div id="parent">
-        <p data-class="one">foo</p>
-        <p data-class="two">foo</p>
+        <p data-class="one" role="banner" aria-label="bar">foo</p>
+        <p data-class="two" role="banner">foo</p>
         <a data-class="three">
             <span id="text">bar</span>
         </a>
@@ -125,14 +171,23 @@ async def test_locate_with_context_nodes(bidi_session, inline, top_context, type
 @pytest.mark.parametrize("type,value", [
     ("css", "p[data-class='one']"),
     ("xpath", ".//p[@data-class='one']"),
-    ("innerText", "foo")
+    ("innerText", "foo"),
+    ("accessibility", {"role": "banner"}),
+    ("accessibility", {"name": "bar"}),
+    ("accessibility", {"role": "banner", "name": "bar"}),
 ])
 @pytest.mark.asyncio
 async def test_locate_with_multiple_context_nodes(bidi_session, inline, top_context, type, value):
     url = inline("""
-                 <div id="parent-one"><p data-class="one">foo</p><p data-class="two">bar</p></div>
-                 <div id="parent-two"><p data-class="one">foo</p><p data-class="two">bar</p></div>
-                 """)
+        <div id="parent-one">
+            <p data-class="one" role="banner" aria-label="bar">foo</p>
+            <p data-class="two">bar</p>
+        </div>
+        <div id="parent-two">
+            <p data-class="one" role="banner" aria-label="bar">foo</p>
+            <p data-class="two">bar</p>
+        </div>
+    """)
     await bidi_session.browsing_context.navigate(
         context=top_context["context"], url=url, wait="complete"
     )