diff --git a/tests/blocks/test_blocks.js b/tests/blocks/test_blocks.js
index 57ed9a037..b4c02a254 100644
--- a/tests/blocks/test_blocks.js
+++ b/tests/blocks/test_blocks.js
@@ -483,6 +483,11 @@ Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
     "type": "block_colour_hex5",
     "message0": "Block color: #RRGGBB (invalid)",
     "colour": "#NotHex"
+  },
+  {
+    "type": "emoji_label_robot_face",
+    "message0": "Robot Face: \uD83E\uDD16",
+    "colour": "#AAAAAA"
   }
 ]);  // END JSON EXTRACT (Do not delete this comment.)
 
diff --git a/tests/playground.html b/tests/playground.html
index 21f7ba0e9..1185ad983 100644
--- a/tests/playground.html
+++ b/tests/playground.html
@@ -1155,6 +1155,14 @@ h1 {
       <block type="image_large"></block>
       <block type="image_missing"></block>
       <block type="test_with_lots_of_network_icons"></block>
+      <label text="Unicode & Emojis"></label>
+      <block type="emoji_label_robot_face"></block>
+      <block type="text">
+        <field name="TEXT">Robot face in text field: &#x1f916;</field>
+      </block>
+      <block type="text">
+        <field name="TEXT">Zalgo in text field: B&#776;&#788;&#862;&#795;&#842;&#827;&#806;&#837;&#812;&#792;&#816;&#846;&#805;l&#771;&#832;&#833;&#864;&#849;&#849;&#789;&#861;&#801;&#854;&#863;&#811;&#826;&#812;&#790;&#803;&#819;o&#843;&#777;&#778;&#785;&#831;&#829;&#794;&#825;&#857;&#814;&#802;&#811;&#852;c&#843;&#786;&#849;&#778;&#861;&#775;&#825;&#825;&#796;&#857;&#825;&#800;&#824;k&#778;&#850;&#833;&#774;&#772;&#782;&#862;&#770;&#789;&#788;&#841;&#801;&#811;&#860;&#839;&#790;&#819;&#854;l&#832;&#774;&#836;&#831;&#776;&#787;&#855;&#816;&#793;&#798;&#819;&#809;&#800;&#854;&#815;y&#864;&#783;&#856;&#773;&#832;&#808;&#799;&#839;&#814;&#840;&#812;&#793;&#818;&#801;</field>
+      </block>
     </category>
   </xml>
 </body>