assertThat(expected).hasCauseThat().isSameInstanceAs(cause);
  }

  @J2ktIncompatible // Format does not match
  @GwtIncompatible // getStackTraceAsString(Throwable)
  public void testGetStackTraceAsString() {
    class StackTraceException extends Exception {
      StackTraceException(String message) {
        super(message);
      }
    }