Test fail on Windows - Path must start with /

When running mvn clean test on Windows, some tests fail with the error "Path must start with /".

Example:
testCheckAndRepairDLNamespace(com.twitter.distributedlog.admin.TestDLCK) Time elapsed: 1.016 sec <<< ERROR!
java.lang.IllegalArgumentException: Path must start with / character
at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:51)
at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1794)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient.access$3101(ZooKeeperClient.java:71)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient$21.zkRun(ZooKeeperClient.java:1150)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient$ZkRetryRunnable.run(ZooKeeperClient.java:467)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient.getData(ZooKeeperClient.java:1162)
at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1820)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient.access$3201(ZooKeeperClient.java:71)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient$22.zkRun(ZooKeeperClient.java:1187)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient$ZkRetryRunnable.run(ZooKeeperClient.java:467)
at org.apache.bookkeeper.zookeeper.ZooKeeperClient.getData(ZooKeeperClient.java:1199)
at com.twitter.distributedlog.util.Utils.zkGetData(Utils.java:334)
at com.twitter.distributedlog.impl.metadata.ZKLogStreamMetadataStore.checkLogMetadataPaths(ZKLogStreamMetadataStore.java:348)
at com.twitter.distributedlog.impl.metadata.ZKLogStreamMetadataStore.getLog(ZKLogStreamMetadataStore.java:557)
at com.twitter.distributedlog.impl.metadata.ZKLogStreamMetadataStore.getLog(ZKLogStreamMetadataStore.java:591)
at com.twitter.distributedlog.BKDistributedLogManager.asyncCreateWriteHandler(BKDistributedLogManager.java:361)
at com.twitter.distributedlog.BKDistributedLogManager.createWriteHandler(BKDistributedLogManager.java:356)
at com.twitter.distributedlog.DLMTestUtil.injectLogSegmentWithLastDLSN(DLMTestUtil.java:392)
at com.twitter.distributedlog.admin.TestDLCK.testCheckAndRepairDLNamespace(TestDLCK.java:122)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.FailOnTimeout$1.run(FailOnTimeout.java:28)