'If explicitly set, the C{isError} key will be preserved when forwarding
from a new-style logging emitter to a legacy logging observer,
regardless of log level.'

def test_levelNotChange(self):

    self.forwardAndVerify(dict(log_level=LogLevel.info, isError=1))
    self.forwardAndVerify(dict(log_level=LogLevel.warn, isError=1))
    self.forwardAndVerify(dict(log_level=LogLevel.error, isError=0))
    self.forwardAndVerify(dict(log_level=LogLevel.critical, isError=0))
