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