message: Set module to commonjs if it isn't set
diff: @@ -89,6 +89,8 @@ export function getTSConfig(globals, collectCoverage: boolean = false) {
  }
  }
  + config.module = config.module || 'commonjs';
  +
  if (config.inlineSourceMap !== false) {
  config.inlineSourceMap = true;
  }
  