@Override
  public String getMetaServerAddress(Env targetEnv) {
    return addresses.get(targetEnv);
  }
@Test
  public void testGetMetaServerAddress() {
    String address = databasePortalMetaServerProvider.getMetaServerAddress(Env.DEV);
    assertEquals("http://server.com:8080", address);

    String newMetaServerAddress = "http://another-server.com:8080";
    metaServiceMap.put("dev", newMetaServerAddress);

    databasePortalMetaServerProvider.reload();

    assertEquals(newMetaServerAddress, databasePortalMetaServerProvider.getMetaServerAddress(Env.DEV));

  }