|The results of the current or last UPS diagnostics
test performed. The values for donePass(1),
generalTestFail(3), and batteryTestFail(4) indicate that the
test completed either successfully, with a warning, or
with an error, respectively.Tests which have not yet
concluded are indicated by inProgress(2). The value
noTestsInitiated(0) indicates that no previous test
results are available.