[test][prefix] The two_loops experiment is missing a parameter entry in globals

beat/core/test/prefix/experiments/user/user/two_loops/1/two_loops.json

@@ -108,6 +108,9 @@
         "queue": "queue",
         "user/db_input_loop_evaluator/1" : {
             "threshold": 9
+        },
+        "user/block_input_loop_evaluator/1" : {
+            "threshold": 9
         }
     }
 }