Include WebOb in integration tests

Author: syrusakbary

noxfile.py

@@ -38,6 +38,7 @@
     "django",
     "fastapi",
     "flask",
+    "webob",
     "quart",
     "sanic",
     "litestar",
@@ -119,6 +120,7 @@ def tests_starlette(session: Session, gql_core: str) -> None:
         "channels",
         "fastapi",
         "flask",
+        "webob",
         "quart",
         "sanic",
         "litestar",