diff --git a/testing/web-platform/meta/css/css-toggle/animations/toggle-group-interpolation.tentative.html.ini b/testing/web-platform/meta/css/css-toggle/animations/toggle-group-interpolation.tentative.html.ini
new file mode 100644
index 000000000000..5f72e1d407e8
--- /dev/null
+++ b/testing/web-platform/meta/css/css-toggle/animations/toggle-group-interpolation.tentative.html.ini
@@ -0,0 +1,2 @@
+[toggle-group-interpolation.tentative.html]
+  expected: ERROR
diff --git a/testing/web-platform/meta/css/css-toggle/animations/toggle-root-interpolation.tentative.html.ini b/testing/web-platform/meta/css/css-toggle/animations/toggle-root-interpolation.tentative.html.ini
new file mode 100644
index 000000000000..e3fd635bb3da
--- /dev/null
+++ b/testing/web-platform/meta/css/css-toggle/animations/toggle-root-interpolation.tentative.html.ini
@@ -0,0 +1,2 @@
+[toggle-root-interpolation.tentative.html]
+  expected: ERROR
diff --git a/testing/web-platform/meta/css/css-toggle/animations/toggle-trigger-interpolation.tentative.html.ini b/testing/web-platform/meta/css/css-toggle/animations/toggle-trigger-interpolation.tentative.html.ini
new file mode 100644
index 000000000000..77af0df7add7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-toggle/animations/toggle-trigger-interpolation.tentative.html.ini
@@ -0,0 +1,2 @@
+[toggle-trigger-interpolation.tentative.html]
+  expected: ERROR