Update src/app/tests/TestICDManager.cpp

Co-authored-by: mkardous-silabs <84793247+mkardous-silabs@users.noreply.github.com>

Author: lpbeliveau-silabs

src/app/tests/TestICDManager.cpp

@@ -555,7 +555,7 @@ class TestICDManager
         notifier.NotifySubscriptionReport();
         NL_TEST_ASSERT(aSuite, ctx->mICDManager.mOperationalState == ICDManager::OperationalState::ActiveMode);
 
-        // Advance time by the duration of the stay active request - 1
+        // Advance time by the ActiveModeDuration - 1
         AdvanceClockAndRunEventLoop(ctx, icdConfigData.GetActiveModeDuration() - 1_ms);
         // Confirm ICD manager is in active mode
         NL_TEST_ASSERT(aSuite, ctx->mICDManager.mOperationalState == ICDManager::OperationalState::ActiveMode);