private void deleteRuntimeFiles() {
    try {
      Files.deleteIfExists(homeDirectory.resolve("besu.networks"));
    } catch (IOException e) {
      LOG.error("Failed to clean up besu.networks file in {}", homeDirectory, e);
    }
    try {
      Files.deleteIfExists(homeDirectory.resolve("besu.ports"));
    } catch (IOException e) {
      LOG.error("Failed to clean up besu.ports file in {}", homeDirectory, e);
    }
  }
All future JSON-RPC calls will include the authentication token.
acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/BesuNode.java