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

src/mcp/server/auth/handlers/authorize.py

@@ -117,7 +117,7 @@ class AuthorizationHandler:
                     pass
 
             # the error response MUST contain the state specified by the client, if any
-            if state is None:  # pragma: no cover
+            if state is None:
                 # make last-ditch effort to load state
                 state = best_effort_extract_string("state", params)
 

src/mcp/server/auth/middleware/bearer_auth.py

@@ -95,7 +95,7 @@ class RequireAuthMiddleware:
         """Send an authentication error response with WWW-Authenticate header."""
         # Build WWW-Authenticate header value
         www_auth_parts = [f'error="{error}"', f'error_description="{description}"']
-        if self.resource_metadata_url:  # pragma: no cover
+        if self.resource_metadata_url:
             www_auth_parts.append(f'resource_metadata="{self.resource_metadata_url}"')
 
         www_authenticate = f"Bearer {', '.join(www_auth_parts)}"