RunConfigurationProducer extension not loaded in test Follow
I wanted to contribute to [KotlinTest IntelliJ plugin](https://github.com/kotlintest/kotlintest-intellij-plugin) and fix a bug with context configuration not being properly provided (https://github.com/kotlintest/kotlintest-intellij-plugin/issues/20). I wanted to first write unit tests for this case, but I can't seem to have run configuration producers loaded in tests.
`idea.xml` file has couple of producer entries, like `<runConfigurationProducer implementation="io.kotlintest.plugin.intellij.BehaviorSpecRunConfigurationProducer"/>`. I'm using `LightCodeInsightFixtureTestCase` as the base class for tests, and I'd expect that producers are properly loaded. However, even printing out `RunConfigurationProducer.EP_NAME.extensionList` in a test only yields producers provided by IntelliJ or Kotlin, and not the ones defined in `idea.xml`
Is there something I'm missing about what to expect? I wanted to continue by checking `ConfigurationContext(innerMethodPsi).configurationsFromContext` but of course it returns `null` right now.
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Can you execute any of the other tests locally? Please try clearing your test's sandbox.
Thank you! Indeed, something is wrong with the configuration. Your comment prompted me to run tests directly from Gradle (which I should've done in the first place) and I do see custom producers loaded there. Turns out the project was using `Intellij IDEA` as test runner in `Build, Execution, Deployment -> Build Tools -> Gradle -> Build and run`. Changing it to Gradle fixes the issue.
Is this a limitation of IntelliJ runner? Should I verify some other configuration? I imported the project from gradle.settings file.
Yes, you must use Gradle runner as it setups classpath and necessary config parameters for running plugin tests.