Correct F1 to a steady fixed-QPS workload

runs/frontier-fidelity-envelope-v1/test_fidelity_envelope.py

@@ -203,6 +203,16 @@ class FidelityEnvelopeTest(unittest.TestCase):
             self.assertEqual(rows[1]["block_hash_ids"], "3|4")
             self.assertEqual(rows[1]["arrived_at"], "0.500000000000")
             self.assertEqual(manifest["contract"]["prefix_caching"], False)
+            steady = module.materialize(
+                root / "steady",
+                input_tokens=32,
+                output_tokens=4,
+                requests=2,
+                rates=[2.0],
+                block_size=16,
+                duration_seconds=10.0,
+            )
+            self.assertEqual(steady["anchors"][0]["requests"], 20)
 
 
 if __name__ == "__main__":