Merge pull request #1259 from locustio/add-json()-method-to-fasthttpl…

…ocust-client-to-support-the-same-things-as-regular-httplocust

add json() method to FastHttpLocust (to match regular HttpLocust)

locust/contrib/fasthttp.py

@@ -2,6 +2,7 @@
 
 import re
 import socket
+import json
 from base64 import b64encode
 from urllib.parse import urlparse, urlunparse
 from ssl import SSLError
@@ -254,6 +255,9 @@ def text(self):
                 self.encoding = self.headers.get('content-type', '').partition("charset=")[2] or 'utf-8'
         return str(self.content, self.encoding, errors='replace')
 
+    def json(self):
+        return json.loads(self.text)
+
     def raise_for_status(self):
         """Raise any connection errors that occured during the request"""
         if hasattr(self, 'error') and self.error: