fix(sanic/tests): replace usage of response.stream (#3887)

This function was removed in sanic [v22.6.0](sanic-org/sanic#2487).

We can just use ResponseStream directly.

(cherry picked from commit 9a2febf)

tests/contrib/sanic/test_sanic.py

@@ -8,7 +8,6 @@
 from sanic.config import DEFAULT_CONFIG
 from sanic.exceptions import ServerError
 from sanic.response import json
-from sanic.response import stream
 from sanic.response import text
 from sanic.server import HttpProtocol
 
@@ -27,6 +26,18 @@
 sanic_version = tuple(map(int, sanic_version.split(".")))
 
 
+try:
+    from sanic.response import ResponseStream
+
+    def stream(*args, **kwargs):
+        return ResponseStream(*args, **kwargs)
+
+
+except ImportError:
+    # stream was removed in sanic v22.6.0
+    from sanic.response import stream
+
+
 def _response_status(response):
     return getattr(response, "status_code", getattr(response, "status", None))