<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">class KnownFailureTest(Exception):
    """
    Raise this exception to mark a test as a known failing test.
    """


class KnownFailureDidNotFailTest(Exception):
    """
    Raise this exception to mark a test should have failed but did not.
    """


class ImageComparisonFailure(AssertionError):
    """
    Raise this exception to mark a test as a comparison between two images.
    """
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