testClient?.dispatcher?.executorService?.shutdown()
  }

  @SuppressLint("NewApi")
  private fun ExtensionContext.isFlaky(): Boolean =
    (testMethod.orElseGet { null }?.isAnnotationPresent(Flaky::class.java) == true) ||
      (testClass.orElseGet { null }?.isAnnotationPresent(Flaky::class.java) == true)

  @Synchronized private fun logEvents() {
    // Will be ineffective if test overrides the listener

  /**
   * Returns the contained instance if it is present; {@code supplier.get()} otherwise.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method is similar to Java 8's {@code
   * Optional.orElseGet}, except when {@code supplier} returns {@code null}. In this case this
   * method throws an exception, whereas the Java 8+ method returns the {@code null} to the caller.
   *

  /**
   * Returns the contained instance if it is present; {@code supplier.get()} otherwise.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method is similar to Java 8's {@code
   * Optional.orElseGet}, except when {@code supplier} returns {@code null}. In this case this
   * method throws an exception, whereas the Java 8+ method returns the {@code null} to the caller.
   *