public static ConfigurableResource parseResourceConfigValue(String value)
      throws AllocationConfigurationException {
    return parseResourceConfigValue(value, Long.MAX_VALUE);
  }
@Test
  public void testAbsoluteMemoryNegativeFractional() throws Exception {
    expectNegativeValueOfResource("memory");
    parseResourceConfigValue("  -5120.3 mb, 2.35 vcores  ");
  }