diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdf60860eb..a8ccdd158b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,7 +29,7 @@ See [CHANGELOG - 6to5](CHANGELOG-6to5.md) for the pre-4.0.0 version changelog.
 
 ## 5.6.5
 
- * *Bug Fix**
+ * **Bug Fix**
   * Fix nested functions causing rest parameter optimisation to not properly detect when it should deopt on a reference.
  * **Internal**
   * Update Regenerator `0.8.31`.
diff --git a/test/core/util.js b/test/core/util.js
index b4925d4fb6..7c8a738dd0 100644
--- a/test/core/util.js
+++ b/test/core/util.js
@@ -101,6 +101,11 @@ suite("util", function () {
     assert.strictEqual(util.booleanify("inline"), "inline");
   });
 
+  test("resolve", function () {
+    assert.notEqual(util.resolve("is-integer").indexOf("node_modules/is-integer"), -1);
+    assert.equal(util.resolve("foo-bar-module"), null);
+  });
+
   test("toIdentifier", function () {
     assert.equal(t.toIdentifier(t.identifier("swag")), "swag");
     assert.equal(t.toIdentifier("swag-lord"), "swagLord");