diff --git a/crates/iroha_core/src/gossiper.rs b/crates/iroha_core/src/gossiper.rs
index f883c56ba86..a821a3d8d61 100644
--- a/crates/iroha_core/src/gossiper.rs
+++ b/crates/iroha_core/src/gossiper.rs
@@ -92,7 +92,7 @@ impl TransactionGossiper {
                     self.handle_transaction_gossip(transaction_gossip);
                 }
                 () = shutdown_signal.receive() => {
-                    iroha_logger::info!("Shutting down transactions gossiper");
+                    iroha_logger::debug!("Shutting down transactions gossiper");
                     break;
                 },
             }
diff --git a/crates/iroha_core/src/kura.rs b/crates/iroha_core/src/kura.rs
index 052df481102..d4c8761e6c2 100644
--- a/crates/iroha_core/src/kura.rs
+++ b/crates/iroha_core/src/kura.rs
@@ -983,8 +983,8 @@ mod tests {
         .unwrap();
     }
 
-    #[tokio::test]
-    async fn kura_not_miss_replace_block() {
+    #[test]
+    fn kura_not_miss_replace_block() {
         let rt = tokio::runtime::Builder::new_multi_thread()
             .enable_time()
             .build()
@@ -1063,7 +1063,10 @@ mod tests {
         // Starting with empty block store
         assert_eq!(block_count.0, 0);
 
-        let _handle = Kura::start(kura.clone(), ShutdownSignal::new());
+        let _handle = {
+            let _rt_guard = rt.enter();
+            Kura::start(kura.clone(), ShutdownSignal::new())
+        };
 
         let state = State::new(
             World::with([domain, genesis_domain], [account, genesis_account], []),
@@ -1133,8 +1136,8 @@ mod tests {
             blocks.push(block.clone());
             kura.store_block(block);
         }
-        // Add wait so that previous block is written to the block store
-        thread::sleep(Duration::from_secs(1));
+        const BLOCK_FLUSH_TIMEOUT: Duration = Duration::from_secs(1);
+        thread::sleep(BLOCK_FLUSH_TIMEOUT);
 
         {
             let mut state_block = state.block_and_revert();
@@ -1151,6 +1154,7 @@ mod tests {
             blocks.push(block_soft_fork.clone());
             kura.replace_top_block(block_soft_fork);
         }
+        thread::sleep(BLOCK_FLUSH_TIMEOUT);
 
         {
             let mut state_block: crate::state::StateBlock = state.block();
@@ -1167,6 +1171,7 @@ mod tests {
             blocks.push(block_next.clone());
             kura.store_block(block_next);
         }
+        thread::sleep(BLOCK_FLUSH_TIMEOUT);
 
         blocks
     }
diff --git a/crates/iroha_core/src/query/store.rs b/crates/iroha_core/src/query/store.rs
index d6dbfd9f582..771b8e5c3e9 100644
--- a/crates/iroha_core/src/query/store.rs
+++ b/crates/iroha_core/src/query/store.rs
@@ -141,7 +141,7 @@ impl LiveQueryStore {
                         });
                     }
                     () = self.shutdown_signal.receive() => {
-                        iroha_logger::info!("LiveQueryStore is being shut down.");
+                        iroha_logger::debug!("LiveQueryStore is being shut down.");
                         break;
                     }
                     else => break,
diff --git a/crates/iroha_futures/src/supervisor.rs b/crates/iroha_futures/src/supervisor.rs
index e3d0f2c6a7f..6ef67950489 100644
--- a/crates/iroha_futures/src/supervisor.rs
+++ b/crates/iroha_futures/src/supervisor.rs
@@ -693,7 +693,8 @@ mod tests {
             .recv_timeout(OS_THREAD_SPAWN_TICK)
             .expect("thread should start by now");
         signal2.send();
-        timeout(TICK_TIMEOUT, sup_fut)
+        // It is too slow in CI sometimes
+        timeout(TICK_TIMEOUT * 10, sup_fut)
             .await
             .expect("should shutdown within timeout")
             .expect("should not panic")
@@ -715,6 +716,5 @@ mod tests {
         else {
             panic!("no other error expected");
         };
-        println!("hey");
     }
 }