diff --git a/tests/Makefile.am b/tests/Makefile.am
index e2e57736..a6c64451 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -468,9 +468,10 @@ test_conn_mgr_SOURCES = test_conn_mgr.c
 test_conn_mgr_CFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/lib
 test_conn_mgr_LDADD = $(LIBUTUN) $(CRYPTO_LIBS) $(COMMON_LIBS)
 
-test_conn_mgr_phases_SOURCES = test_conn_mgr_phases.c
+test_conn_mgr_phases_SOURCES = test_conn_mgr_phases.c $(test_clock_sources)
 test_conn_mgr_phases_CFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/lib
 test_conn_mgr_phases_LDADD = $(LIBUTUN) $(CRYPTO_LIBS) $(COMMON_LIBS)
+test_conn_mgr_phases_LDFLAGS = $(test_clock_ldflags)
 
 test_conn_mgr_handles_SOURCES = test_conn_mgr_handles.c
 test_conn_mgr_handles_CFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/lib
diff --git a/tests/test_conn_mgr_phases.c b/tests/test_conn_mgr_phases.c
index f03e092f..e0ab0caa 100644
--- a/tests/test_conn_mgr_phases.c
+++ b/tests/test_conn_mgr_phases.c
@@ -37,6 +37,7 @@
 #include "../lib/u_async.h"
 #include "../lib/debug_config.h"
 #include "../lib/mem.h"
+#include "test_clock.h"
 
 #define POLL_MS 5
 #define LINK_TIMEOUT_MS   8000
@@ -118,7 +119,7 @@ static void conn_cb_b(struct CONN_MGR_HANDLE* h, uint64_t node, uint64_t grp, en
 
 static int poll_until(int (*cond)(void), uint32_t timeout_ms) {
     uint64_t start = get_time_tb();
-    while (!cond() && (get_time_tb() - start) < (uint64_t)timeout_ms * 10) uasync_poll(ua, POLL_MS);
+    while (!cond() && (get_time_tb() - start) < (uint64_t)timeout_ms * 10) test_clock_poll(ua, POLL_MS);
     return cond();
 }
 
@@ -356,13 +357,12 @@ static int send_data(uint8_t marker, uint64_t hop) {
     e->dgram[0] = TEST_CM_SERVICE; e->dgram[1] = marker; e->len = 2;
     if (etcp_route_send(inst_a, TOPO_GROUP_UTUN, nid_b, e, 1, 0) < 0) { fail("DATA: send failed"); return -1; }
     uint64_t end = get_time_tb() + 30000;
-    while (!data_count && get_time_tb() < end) uasync_poll(ua, POLL_MS);
+    while (!data_count && get_time_tb() < end) test_clock_poll(ua, POLL_MS);
     if (!data_count || data_hop != hop || expected_marker != marker) { fail("DATA: wrong delivery/hop"); return -1; }
     return 0;
 }
 static void poll_ms(int ms) {
-    uint64_t end = get_time_tb() + (uint64_t)ms * 10;
-    while (get_time_tb() < end) uasync_poll(ua, POLL_MS);
+    test_clock_run_for(ua, ms * 10);
 }
 static int direct_a_ready(void) {
     uint8_t ty = conn_type_of(inst_a, nid_b);
@@ -576,20 +576,26 @@ static int run_recovery(void) {
         fail("RECOVERY: late loss did not start recovery with reserve"); return -1;
     }
     if (send_data(2, nid_c)) return -1;
-    // Сокращаем только срок тестовой пробы; интервалы backoff проверяем настоящими часами.
+    // Сроки backoff остаются 1/2/4с; оснастка проходит все промежуточные сетевые события и таймеры.
     for (int cycle = 0; cycle < 3; cycle++) {
         uint64_t start = entry->start_tb;
         unsigned delay = entry->retry_delay_ms;
+        if (delay != (CONN_MGR_RETRY_MIN_MS << cycle)) { fail("RECOVERY: wrong exponential backoff"); return -1; }
         entry->deadline_tb = get_time_tb() + 100;
         cm_arm_timer(entry); poll_ms(30);
         if (entry->attempt_active || !entry->retry_tb || entry->retry_tb <= get_time_tb()) {
             fail("RECOVERY: exhausted round did not enter backoff"); return -1;
         }
         if (send_data((uint8_t)(3 + cycle), nid_c)) return -1;
-        while (entry->start_tb == start && get_time_tb() < entry->retry_tb + 3000) uasync_poll(ua, POLL_MS);
-        if (entry->start_tb == start || !entry->attempt_active || entry->start_tb - start < delay * 10 || timeout_count) {
+        uint64_t due = entry->retry_tb;
+        while (entry->start_tb == start && get_time_tb() < due + 3000) test_clock_poll(ua, POLL_MS);
+        if (entry->start_tb == start || !entry->attempt_active || entry->start_tb < due ||
+            entry->start_tb - start < delay * 10 || timeout_count) {
             fail("RECOVERY: retry/backoff lost demand or repeated TIMEOUT"); return -1;
         }
+        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "CM recovery: cycle=%d delay_ms=%u retry_due_tb=%llu started_tb=%llu reserve=%u events=%d/%d/%d",
+                   cycle + 1, delay, (unsigned long long)due, (unsigned long long)entry->start_tb,
+                   entry->conn_type, up_count, down_count, timeout_count);
     }
     entry->deadline_tb = get_time_tb() + 100; cm_arm_timer(entry); poll_ms(30);
     uint64_t start = entry->start_tb;
@@ -736,6 +742,7 @@ static int run_initial_timeout(void) {
 int main(void) {
     debug_config_init();
     debug_set_level(DEBUG_LEVEL_ERROR);
+    test_clock_init(1000);
     if (getenv("UTUN_TEST_DEBUG")) {
         debug_set_category_level(DEBUG_CATEGORY_BGP, DEBUG_LEVEL_INFO);
         debug_set_category_level(DEBUG_CATEGORY_GENERAL, DEBUG_LEVEL_DEBUG);
@@ -774,6 +781,7 @@ int main(void) {
     scenario_teardown();
 
     if (ua) { uasync_poll(ua, 0); uasync_destroy(ua, 0); ua = NULL; }
+    test_clock_finish();
 
     fprintf(stderr, "%s\n", g_failed ? "RESULT: FAIL" : "RESULT: PASS"); fflush(stderr);
     return g_failed ? 1 : 0;