fix request testing

Author: ClericPy

morebuiltins/request.py

@@ -147,7 +147,7 @@ class req:
     """A basic mock for requests, performant albeit simplistic.
 
     >>> import time
-    >>> r = req.get("https://postman-echo.com/get?a=2", timeout=3, params={"b": "3"})
+    >>> r = req.get("https://postman-echo.com/get?a=2", headers={"User-Agent": "Chrome"}, timeout=3, params={"b": "3"})
     >>> r.url
     'https://postman-echo.com/get?a=2&b=3'
     >>> r.ok
@@ -156,12 +156,12 @@ class req:
     200
     >>> r.text.startswith('{')
     True
-    >>> r = req.post("https://postman-echo.com/post?a=2", timeout=3, params={"b": "3"}, data=b"mock data")
+    >>> r = req.post("https://postman-echo.com/post?a=2", headers={"User-Agent": "Chrome"}, timeout=3, params={"b": "3"}, data=b"mock data")
     >>> r.json()["data"]
     'mock data'
     >>> r.json()["args"]
     {'a': '2', 'b': '3'}
-    >>> r = req.post("https://postman-echo.com/post?a=2", timeout=3, json={"data": "yes json"})
+    >>> r = req.post("https://postman-echo.com/post?a=2", headers={"User-Agent": "Chrome"}, timeout=3, json={"data": "yes json"})
     >>> r.json()["json"]
     {'data': 'yes json'}
     """