class Spec::Runner::Formatter::BaseFormatter

def example_failed(example, counter, failure)

Failure object.
sequence number of the failure (starting at 1) and +failure+ is the associated
inside it (such as a failed should or other exception). +counter+ is the
This method is invoked when an +example+ fails, i.e. an exception occurred
def example_failed(example, counter, failure)
end