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I{Private} test utilities for use throughout Twisted's test suite. Unlike
C{proto_helpers}, this is no exception to the
don't-use-it-outside-Twisted-we-won't-maintain-compatibility rule!
@note: Maintainers be aware: things in this module should be gradually promoted
to more full-featured test helpers and exposed as public API as your
maintenance time permits. In order to be public API though, they need
their own test cases.
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A mixin which defines a method for making assertions about the correctness
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Assert that C{firstValueOne} is equal to C{secondValueOne} but not
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