@Override
  public PsiFile createFileFromText(final @NotNull Project project, final @NotNull String text) {
    final PsiFile file = PsiFileFactory.getInstance(project).createFileFromText(
      "sample.java", JavaFileType.INSTANCE, text, LocalTimeCounter.currentTime(), false, false
    );
    file.putUserData(PsiUtil.FILE_LANGUAGE_LEVEL_KEY, LanguageLevel.HIGHEST);
    return file;
  }
@Override
  public PsiFile createFileFromText(final @NotNull Project project, final @NotNull String text)