public static ConfigurableResource parseResourceConfigValue(String value)
      throws AllocationConfigurationException {
    return parseResourceConfigValue(value, Long.MAX_VALUE);
  }
@Test
  public void testDuplicateVcoresDefinitionAbsolute() throws Exception {
    expectInvalidResource("vcores");
    parseResourceConfigValue("1024 mb, 2 4 vcores");
  }