@NotNull
  @Override
  public Collection<PsiFileSystemItem> computeDefaultContexts() {
    PsiFile file = getContainingFile();
    if (file == null) return ContainerUtil.emptyList();

    if (isAbsolutePathReference() && !ApplicationManager.getApplication().isUnitTestMode()) {
      return toFileSystemItems(ManagingFS.getInstance().getLocalRoots());
    }

    return super.computeDefaultContexts();
  }
@NotNull
  @Override
  public Collection<PsiFileSystemItem> computeDefaultContexts()