TBR: Dependency changed which exposed a bug in out test.

Change-Id: Ia56af30223e886de90e0235613ce7f6f5a650dfc
diff --git a/test/unit/lib/array-set.js b/test/unit/lib/array-set.js
index fddfed8..3e7736c 100644
--- a/test/unit/lib/array-set.js
+++ b/test/unit/lib/array-set.js
@@ -33,8 +33,7 @@
     'remove from existing index => true');
   t.deepEqual(arr2, ['d', 'e'], 'remove from existing index => changed');
 
-  // Error Cases
-  t.throws(arraySet.set(arr, 'f', true, indexOfBad), 'invalid index => throws');
+  t.notOk(arraySet.set(arr, 'f', true, indexOfBad), 'invalid index =>false');
 
   t.end();
 });
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