diff --git a/tests.py b/tests.py
index 0855fa929..6e3641260 100644
--- a/tests.py
+++ b/tests.py
@@ -5914,6 +5914,7 @@ def _testValidEmojiContent() -> None:
     assert not validEmojiContent(None)
     assert not validEmojiContent(' ')
     assert not validEmojiContent('j')
+    assert not validEmojiContent('😀😀')
     assert validEmojiContent('😀')
     assert validEmojiContent('😄')