From 915c5049fa918d8806454b85ef53bc2ba0973c8b Mon Sep 17 00:00:00 2001
From: Alexander Early <alexander.early@gmail.com>
Date: Sat, 22 Jun 2019 20:47:50 -0700
Subject: even moar coverage

---
 lib/nextTick.js |  2 +-
 test/whilst.js  | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/lib/nextTick.js b/lib/nextTick.js
index fb63898..ab8ce9a 100644
--- a/lib/nextTick.js
+++ b/lib/nextTick.js
@@ -1,5 +1,5 @@
 'use strict';
-
+/* istanbul ignore file */
 import { hasNextTick, hasSetImmediate, fallback, wrap }  from './internal/setImmediate';
 
 /**
diff --git a/test/whilst.js b/test/whilst.js
index 1ee6f11..ad28167 100644
--- a/test/whilst.js
+++ b/test/whilst.js
@@ -35,6 +35,28 @@ describe('whilst', () => {
         );
     });
 
+    it('errors', (done) => {
+        async.whilst(
+            cb => cb(new Error('bad test')),
+            cb => cb(),
+            err => {
+                expect(err.message).to.equal('bad test')
+                done()
+            }
+        )
+    })
+
+    it('errors (iteratee)', (done) => {
+        async.whilst(
+            cb => cb(null, true),
+            cb => cb(new Error('bad iter')),
+            err => {
+                expect(err.message).to.equal('bad iter')
+                done()
+            }
+        )
+    })
+
     it('whilst optional callback', (done) => {
         var counter = 0;
         async.whilst(
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