public static ConfigurableResource parseResourceConfigValue(String value)
      throws AllocationConfigurationException {
    return parseResourceConfigValue(value, Long.MAX_VALUE);
  }
@Test
  public void testParseNewStyleResourceWithCustomResourceMemoryNegative()
      throws Exception {
    expectNegativeValueOfResource("memory");
    parseResourceConfigValue("vcores=2,memory-mb=-5120,test1=4");
  }