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