chore: added test (closes #18)

Author: niftylettuce

test/fixtures/.env

@@ -10,3 +10,5 @@ PING=ping,true*,2,100
 PONG=`some,thing,that,goes,wow`
 # will not replace process.env by default
 HTTP_PROXY=proxy.domain.com:8080
+# https://github.com/niftylettuce/dotenv-parse-variables/issues/18
+AWS_ACCESS_KEY_ID=123*

test/fixtures/env.js

@@ -6,5 +6,6 @@ module.exports = {
   BLEEP: 'false',
   PING: [ 'ping', 'true', 2, 100 ],
   PONG: 'some,thing,that,goes,wow',
-  HTTP_PROXY: 'proxy.domain.com:8080'
+  HTTP_PROXY: 'proxy.domain.com:8080',
+  AWS_ACCESS_KEY_ID: '123'
 };