message: fix postprocess bug when babel plugins not specified
diff: @@ -66,7 +66,7 @@ export const getPostProcessHook = (
  }
  const plugins = tsJestConfig.babelConfig
  - ? tsJestConfig.babelConfig.plugins
  + ? tsJestConfig.babelConfig.plugins || []
  : [];
  // If we're not skipping babel
  if (tsCompilerOptions.allowSyntheticDefaultImports) {
  