diff --git a/test/built-ins/Uint8Array/fromHex/results.js b/test/built-ins/Uint8Array/fromHex/results.js
index c4bf09dd336..8f8ca84b199 100644
--- a/test/built-ins/Uint8Array/fromHex/results.js
+++ b/test/built-ins/Uint8Array/fromHex/results.js
@@ -9,7 +9,9 @@ features: [uint8array-base64, TypedArray]
 
 var cases = [
   ["", []],
+  ["06", [6]],
   ["66", [102]],
+  ["066f", [6, 111]],
   ["666f", [102, 111]],
   ["666F", [102, 111]],
   ["666f6f", [102, 111, 111]],
diff --git a/test/built-ins/Uint8Array/prototype/toHex/results.js b/test/built-ins/Uint8Array/prototype/toHex/results.js
index 8d0bcf4310e..a5620b8b017 100644
--- a/test/built-ins/Uint8Array/prototype/toHex/results.js
+++ b/test/built-ins/Uint8Array/prototype/toHex/results.js
@@ -7,7 +7,9 @@ features: [uint8array-base64, TypedArray]
 ---*/
 
 assert.sameValue((new Uint8Array([])).toHex(), "");
+assert.sameValue((new Uint8Array([6])).toHex(), "06");
 assert.sameValue((new Uint8Array([102])).toHex(), "66");
+assert.sameValue((new Uint8Array([6, 111])).toHex(), "066f");
 assert.sameValue((new Uint8Array([102, 111])).toHex(), "666f");
 assert.sameValue((new Uint8Array([102, 111, 111])).toHex(), "666f6f");
 assert.sameValue((new Uint8Array([102, 111, 111, 98])).toHex(), "666f6f62");