1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/position-relative-table-top-ref.html b/testing/web-platform/tests/css/css-position/position-relative-table-top-ref.html
new file mode 100644
index 0000000000..795e08b8ba
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/position-relative-table-top-ref.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<title>Reference for position:relative top constraint should behave correctly for table part elements</title>
+<style>
+table {
+  border-collapse:collapse;
+}
+
+td {
+  padding: 0;
+}
+
+td > div {
+  height: 50px;
+  width: 50px;
+}
+
+.group {
+  display: inline-block;
+  position: relative;
+  width: 150px;
+  height: 200px;
+}
+
+.indicator {
+  position: absolute;
+  background-color: green;
+  left: 0;
+  top: 100px;
+  height: 50px;
+  width: 50px;
+}
+
+</style>
+
+<div class="group">
+  <div>
+    <div class="indicator"></div>
+  </div>
+</div>
+
+<div>You should see a green box above. No red should be visible.</div>
+