Add some missing imports in tests

Author: acogoluegnes

src/test/java/com/rabbitmq/client/test/RecoveryAwareAMQConnectionFactoryTest.java

@@ -28,6 +28,7 @@
 
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.TimeoutException;

src/test/java/com/rabbitmq/client/test/RpcTopologyRecordingTest.java

@@ -23,6 +23,7 @@
 import java.util.UUID;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicReference;
 
 import static com.rabbitmq.client.test.TestUtils.closeAndWaitForRecovery;