The following crash occurs when using the jtreg plugin with IntelliJ 2020.2, and opening the plugin preferences pane:

```
com.intellij.diagnostic.PluginException: Class constructor must not have parameters: com.oracle.plugin.jtreg.service.ui.JTRegServiceConfigurable [Plugin: jtreg]
at com.intellij.serviceContainer.ComponentManagerImpl.instantiateExtensionWithPicoContainerOnlyIfNeeded(ComponentManagerImpl.kt:696)
at com.intellij.openapi.options.ConfigurableEP$ClassProducer.createElement(ConfigurableEP.java:422)
at com.intellij.openapi.options.ConfigurableEP.createConfigurable(ConfigurableEP.java:329)
at com.intellij.openapi.options.ex.ConfigurableWrapper.createConfigurable(ConfigurableWrapper.java:45)
```