public static ConfigurableResource parseResourceConfigValue(String value)
      throws AllocationConfigurationException {
    return parseResourceConfigValue(value, Long.MAX_VALUE);
  }
@Test
  public void testMemoryPercentageCpuAbsoluteMemoryNegative() throws Exception {
    expectNegativePercentageOldStyle();
    parseResourceConfigValue("-50% memory, 2 vcores");
  }