public static ConfigurableResource parseResourceConfigValue(String value)
      throws AllocationConfigurationException {
    return parseResourceConfigValue(value, Long.MAX_VALUE);
  }
@Test
  public void testCpuPercentageMemoryAbsoluteMemoryNegative() throws Exception {
    expectMissingResource("memory");
    parseResourceConfigValue("50% cpu, -1024 mb");
  }