import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

    for (field in staticFields) {
      field.setAccessible(true)
      val server = field.get(null) as? MockWebServer ?: continue

      // Put the instance in the store, so JUnit closes it for us in afterAll.
      store.put(field, server)

      server.start()
    }
  }

  override fun beforeEach(context: ExtensionContext) {
    val testInstance = context.testInstance.get()

        assertIsSuccessor(plan.requiredStep(p, "before:all"), plan.requiredStep(c2, "before:all"));
        assertIsSuccessor(plan.requiredStep(c1, "after:all"), plan.requiredStep(p, "after:all"));
        assertIsSuccessor(plan.requiredStep(c2, "after:all"), plan.requiredStep(p, "after:all"));
    }

    private void assertIsSuccessor(BuildStep predecessor, BuildStep successor) {
        assertTrue(