message: Copy credentials to java_src in the comprehensive test script.
diff: @@ -231,6 +231,7 @@ main() {
  pip3 install --user protobuf
  fi
  + ./kokoro/testutils/copy_credentials.sh "java_src/testdata"
  ./kokoro/testutils/copy_credentials.sh "examples/java_src/testdata"
  ./kokoro/testutils/copy_credentials.sh "examples/python/testdata"
  ./kokoro/testutils/update_android_sdk.sh
  