Added additonal unit test to prevent infinite axios retry from coming recurring

Author: yujidude

package.json

@@ -22,7 +22,7 @@
     "circle-lint": ".buildscript/circle.sh",
     "dependencies": "yarn",
     "size": "size-limit",
-    "test": "standard && nyc ava && .buildscript/e2e.sh",
+    "test": "standard && nyc ava --timeout=20s&& .buildscript/e2e.sh",
     "report-coverage": "nyc report --reporter=lcov > coverage.lcov && codecov",
     "np": "np --no-publish",
     "release": "yarn run np"

test.js

@@ -72,6 +72,12 @@ test.before.cb(t => {
         })
       }
 
+      if (batch[0] === 'axios-retry-forever') {
+        return res.status(503).json({
+          error: { message: 'Service Unavailable' }
+        })
+      }
+
       res.json({})
     })
     .listen(port, t.end)
@@ -586,6 +592,20 @@ test('ensure that failed requests are retried', async t => {
   await t.notThrows(client.flush())
 })
 
+test('ensure that failed requests are not retried forever', async t => {
+  const client = createClient()
+  const callback = spy()
+
+  client.queue = [
+    {
+      message: 'axios-retry-forever',
+      callback
+    }
+  ]
+
+  await t.throws(client.flush())
+})
+
 test('ensure other axios clients are not impacted by axios-retry', async t => {
   let client = createClient() // eslint-disable-line
   const axios = require('axios')