refactor(irtt-client): move cadence into managed runner

crates/irtt-client/src/client/tests/mod.rs

@@ -1,5 +1,14 @@
 use super::*;
 use crate::config::{NegotiationPolicy, DEFAULT_OPEN_TIMEOUTS};
+use crate::{
+    session::machine::{
+        compute_one_way, compute_rtt, params_from_config, sequence_is_after, sequence_is_before,
+        unix_epoch_ns_i64, update_highest_received,
+    },
+    session::negotiate_params,
+    NegotiatedParams, RunMode, SignedDuration, WarningKind, MAX_UDP_PAYLOAD_LENGTH,
+};
+use irtt_proto::{flags, Params, TimestampFields, PROTOCOL_VERSION};
 use irtt_proto::{
     flags::FLAG_HMAC, flags::FLAG_OPEN, flags::FLAG_REPLY, verify_packet_hmac, Clock,
     ReceivedStats, StampAt, HMAC_SIZE, MAGIC,