1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/em/model-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/em/model-novalid.html
new file mode 100644
index 0000000000..1b721e7b58
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/em/model-novalid.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset=utf-8>
+  <title>&lt;em&gt;</title>
+</head>
+<body>
+  <!-- is structured inline -->
+  <p><em class="class" lang="en">text</em></p>
+
+  <!-- is strictly inline -->
+  <p><dfn><em class="class" lang="en">text</em></dfn></p>
+
+  <!-- can be empty -->
+  <p>text <em></em></p>
+  <p>text <dfn><em></em></dfn></p>
+
+  <!-- can contain interactive -->
+  <p><em><a>text</a></em></p>
+  <p><dfn><em><a>text</a></em></dfn></p>
+
+  <!-- cannot contain structured inline -->
+  <p><em>text <ul><li>list</li></ul> <em>elem</em></em></p>
+</body>
+</html>