1 files changed, 5 insertions, 0 deletions
diff --git a/container-messagebus/src/test/java/com/yahoo/messagebus/jdisc/test/ServerTestDriverTestCase.java b/container-messagebus/src/test/java/com/yahoo/messagebus/jdisc/test/ServerTestDriverTestCase.java
index 7b2c1b68549..f6ae2335d12 100644
--- a/container-messagebus/src/test/java/com/yahoo/messagebus/jdisc/test/ServerTestDriverTestCase.java
+++ b/container-messagebus/src/test/java/com/yahoo/messagebus/jdisc/test/ServerTestDriverTestCase.java
@@ -24,6 +24,11 @@ public class ServerTestDriverTestCase {
         driver = ServerTestDriver.newInstanceWithProtocol(new SimpleProtocol(), new NonWorkingRequestHandler(), false);
         assertNotNull(driver);
         assertTrue(driver.close());
+
+        Slobrok slobrok = new Slobrok();
+        driver = ServerTestDriver.newInstanceWithExternSlobrok(slobrok.configId(), new NonWorkingRequestHandler(), false);
+        assertNotNull(driver);
+        assertTrue(driver.close());
     }
 
 }