diff --git oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverIPRangeTest.java oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverIPRangeTest.java
index ba79a71..e45dd3c 100644
--- oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverIPRangeTest.java
+++ oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverIPRangeTest.java
@@ -23,16 +23,30 @@ import static org.apache.jackrabbit.oak.segment.SegmentTestUtils.addTestContent;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
 import org.apache.jackrabbit.oak.segment.SegmentNodeStoreBuilders;
 import org.apache.jackrabbit.oak.segment.standby.client.StandbyClient;
 import org.apache.jackrabbit.oak.segment.standby.server.StandbyServer;
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 
 public class FailoverIPRangeTest extends TestBase {
 
+    @BeforeClass
+    public static void resolveInvalidHostname() {
+        // resolves foobar hostname before tests run to prevent timeouts
+        try {
+            InetAddress.getByName("foobar");
+        } catch (UnknownHostException e) {
+            // ignore
+        }
+    }
+    
     @Before
     public void setUp() throws Exception {
         setUpServerAndClient();
diff --git oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverMultipleClientsTestIT.java oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverMultipleClientsTestIT.java
index 0b450d1..2cdbc1c 100644
--- oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverMultipleClientsTestIT.java
+++ oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/FailoverMultipleClientsTestIT.java
@@ -18,7 +18,9 @@
  */
 package org.apache.jackrabbit.oak.segment.standby;
 
-import org.apache.jackrabbit.oak.segment.SegmentNodeStore;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
 import org.apache.jackrabbit.oak.segment.SegmentNodeStoreBuilders;
 import org.apache.jackrabbit.oak.segment.SegmentTestUtils;
 import org.apache.jackrabbit.oak.segment.standby.client.StandbyClient;
@@ -28,9 +30,6 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertEquals;
-
 public class FailoverMultipleClientsTestIT extends TestBase {
 
     @Before