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