Fix sometimes failed multi-threading test

Author: andrei-punko

src/test/java/by/andd3dfx/multithreading/AddMultithreadingTest.java

@@ -11,7 +11,6 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.awaitility.Awaitility.await;
 import static org.awaitility.Durations.ONE_HUNDRED_MILLISECONDS;
-import static org.awaitility.Durations.TWO_SECONDS;
 
 public class AddMultithreadingTest {
 
@@ -24,8 +23,7 @@ public void checkMultithreadingAbsence() throws ExecutionException, InterruptedE
 
         var future = CompletableFuture.supplyAsync(() -> aggregator.doRequestOld());
 
-        await().atLeast(TWO_SECONDS)
-                .atMost(3, TimeUnit.SECONDS)
+        await().atMost(3, TimeUnit.SECONDS)
                 .pollInterval(ONE_HUNDRED_MILLISECONDS)
                 .until(() -> future.isDone());
         assertThat(future.get()).isEqualTo("OneTwo");