baremetal_core_console_history.state doesn't handle 'GETTING-HISTORY'

## Description of the bug:

```
* baremetal_core_console_history.t: unexpected state 'GETTING-HISTORY', wanted target 'SUCCEEDED'. last error: %!s(<nil>)
```

## Reproduction

`go test -v -timeout 120m -run TestCoreInstanceConsoleHistoriesDatasource`

