message: Fix CTest default path
diff: @@ -71,7 +71,7 @@ class Paths {
  private async _getCTestPath(): Promise<string> {
  const ctest_path = config.raw_ctestPath;
  - if (ctest_path == 'auto') {
  + if (!ctest_path || ctest_path == 'auto') {
  const cmake = await this.cmakePath;
  return path.join(path.dirname(cmake), 'ctest');
  } else {
  