private Properties getNonBlockingRouterProperties() {
    Properties properties = new Properties();
    properties.setProperty("router.hostname", "localhost");
    properties.setProperty("router.datacenter.name", localDc);
    properties.setProperty("router.delete.request.parallelism", DELETE_PARALLELISM);
    return properties;
  }
Generates {@link Properties} that includes initial configuration.

@return Properties
ambry-router/src/test/java/com/github/ambry/router/DeleteManagerTest.java