diff --git a/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-000.html b/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-000.html
new file mode 100644
index 000000000000..d5796ba641b5
--- /dev/null
+++ b/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-000.html
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+Test passes if there is a filled green square.
+
diff --git a/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-001.html b/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-001.html
new file mode 100644
index 000000000000..b3ad80ca9a0d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-break/forced-break-at-fragmentainer-start-001.html
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+Test passes if there is a filled green square and no red.
+