PartialDeviceTest Failing with OpenJDK 11

As the title says:
```
Failures (1):
  JUnit Jupiter:PartialDeviceTest:LoadingTest
    MethodSource [className = 'device.PartialDeviceTest', methodName = 'loadPartialDeviceTest', methodParameterTypes = '']
    => org.opentest4j.AssertionFailedError: Error loading device file ==> expected: not <null>

```