Description
  This test validates that all of the BatteryManager attributes exist and
  are set to correct values, with corresponding events fired,
  when the charger is plugged in.
Preconditions
  - 
    The device is unplugged from the charger before this test is run.
  
- 
    The battery must not be full or reach full capacity before the time the test is run.
  
  
    - 
      Plug in the charger and wait for all the tests to complete.
    
- 
      The tests may take long time since the definition of how
      often the chargingtimechange, dischargingtimechange, and levelchange
      events are fired is left to the implementation.