test: interaction-model end-to-end suite with a requirements manifest (#2691)

src/mcp/shared/auth.py

@@ -91,9 +91,9 @@ class OAuthClientMetadata(BaseModel):
         requested_scopes = requested_scope.split(" ")
         allowed_scopes = [] if self.scope is None else self.scope.split(" ")
         for scope in requested_scopes:
-            if scope not in allowed_scopes:  # pragma: no branch
+            if scope not in allowed_scopes:
                 raise InvalidScopeError(f"Client was not registered with scope {scope}")
-        return requested_scopes  # pragma: no cover
+        return requested_scopes
 
     def validate_redirect_uri(self, redirect_uri: AnyUrl | None) -> AnyUrl:
         if redirect_uri is not None:

src/mcp/shared/session.py

@@ -451,7 +451,7 @@ class BaseSession(
                     try:
                         await stream.send(JSONRPCError(jsonrpc="2.0", id=id, error=error))
                         await stream.aclose()
-                    except Exception:  # pragma: no cover
+                    except Exception:  # pragma: lax no cover
                         # Stream might already be closed
                         pass
                 self._response_streams.clear()