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