diff --git a/testing/web-platform/tests/core-aam/comment-manual.html b/testing/web-platform/tests/core-aam/comment-manual.html
new file mode 100644
index 000000000000..6c7d7a1b169c
--- /dev/null
+++ b/testing/web-platform/tests/core-aam/comment-manual.html
@@ -0,0 +1,88 @@
+
+
+
+ comment
+
+
+
+
+
+
+
+
+ This test examines the ARIA properties for comment.
+ content
+
+
+
+
+
+
diff --git a/testing/web-platform/tests/core-aam/form-manual.html b/testing/web-platform/tests/core-aam/form-manual.html
index b533412093f0..dcb6566b1bd9 100644
--- a/testing/web-platform/tests/core-aam/form-manual.html
+++ b/testing/web-platform/tests/core-aam/form-manual.html
@@ -91,7 +91,7 @@
This test examines the ARIA properties for form.
- content
+ content
diff --git a/testing/web-platform/tests/core-aam/form-unnamed.html b/testing/web-platform/tests/core-aam/form-unnamed.html
new file mode 100644
index 000000000000..321be7fee08f
--- /dev/null
+++ b/testing/web-platform/tests/core-aam/form-unnamed.html
@@ -0,0 +1,83 @@
+
+
+
+ form
+
+
+
+
+
+
+
+
+ This test examines the ARIA properties for an unnamed form.
+ content
+
+
+
+
+
+
diff --git a/testing/web-platform/tests/core-aam/tab-manual.html b/testing/web-platform/tests/core-aam/tab-manual.html
index 89b8b48c56ef..98a1c4374a7e 100644
--- a/testing/web-platform/tests/core-aam/tab-manual.html
+++ b/testing/web-platform/tests/core-aam/tab-manual.html
@@ -35,7 +35,7 @@
"property",
"AXSubrole",
"is",
- ""
+ "AXTabButton"
]
],
"MSAA" : [