Injectable proxy list

Author: WyriHaximus

composer.json

@@ -17,7 +17,7 @@
     "require-dev": {
         "monolog/monolog": "^2.1",
         "psr/log": "^1.1",
-        "wyrihaximus/async-test-utilities": "^3.3.1",
+        "wyrihaximus/async-test-utilities": "^3.4.19",
         "yuloh/container": "^1.0"
     },
     "config": {