[TEST] Call .cleanUp() on field data cache

Now that we do not automatically call .cleanUp() when clearing the field
data cache, we need to call it after the cache clear in
RandomExceptionCircuitBreakerTests
[TEST] Remove "compressed" field data from numeric formats

The "compressed" format was removed, so this caused warnings in the log
like:

```
[WARN ][index.fielddata          ] [node_0] [test] failed to find format
[compressed] for field [test-num], will use default
```