Test failure: org.apache.cassandra.distributed.test.ClearSnapshotTest#clearSnapshotSlowTest-_jdk11

CircleCI failure: https://app.circleci.com/pipelines/github/michaelsembwever/cassandra/256/workflows/c4fda8f1-a8d6-4523-be83-5e30b9de39fe/jobs/20464/tests

Also on jdk17: https://app.circleci.com/pipelines/github/michaelsembwever/cassandra/256/workflows/c4fda8f1-a8d6-4523-be83-5e30b9de39fe/jobs/20500/tests

```
java.lang.RuntimeException: java.util.concurrent.TimeoutException
at org.apache.cassandra.utils.Throwables.maybeFail(Throwables.java:79)
at org.apache.cassandra.utils.FBUtilities.waitOnFutures(FBUtilities.java:537)
at org.apache.cassandra.distributed.impl.AbstractCluster.close(AbstractCluster.java:1098)
at org.apache.cassandra.distributed.test.ClearSnapshotTest.clearSnapshotSlowTest(ClearSnapshotTest.java:124)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Caused by: java.util.concurrent.TimeoutException
at org.apache.cassandra.utils.concurrent.AbstractFuture.get(AbstractFuture.java:253)
at org.apache.cassandra.utils.FBUtilities.waitOnFutures(FBUtilities.java:529)
Suppressed: java.util.concurrent.TimeoutException
```