/** Test method for {@link org.powertac.common.enumerations.PowerType#isInterruptible()}. */
 @Test
 public void testIsInterruptible() {
   PowerType pt = PowerType.INTERRUPTIBLE_CONSUMPTION;
   assertTrue("is interruptible 1", pt.isInterruptible());
   pt = PowerType.THERMAL_STORAGE_CONSUMPTION;
   assertTrue("is interruptible 2", pt.isInterruptible());
   pt = PowerType.CONSUMPTION;
   assertFalse("not interruptible 1", pt.isInterruptible());
   pt = PowerType.ELECTRIC_VEHICLE;
   assertTrue("is interruptible 3", pt.isInterruptible());
 }