diff --git a/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen-display.tentative.html.ini b/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen-display.tentative.html.ini
new file mode 100644
index 000000000000..ad0d19713149
--- /dev/null
+++ b/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen-display.tentative.html.ini
@@ -0,0 +1,2 @@
+[popup-initiallyopen-display.tentative.html]
+  expected: FAIL
diff --git a/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen.tentative.html.ini b/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen.tentative.html.ini
new file mode 100644
index 000000000000..c0012f239281
--- /dev/null
+++ b/testing/web-platform/meta/html/semantics/interactive-elements/the-popup-element/popup-initiallyopen.tentative.html.ini
@@ -0,0 +1,4 @@
+[popup-initiallyopen.tentative.html]
+  [The initiallyopen attribute should affect page load only]
+    expected: FAIL
+