def _modifiedTest(self, modifiedSince):
        self.channel.lineReceived("If-Modified-Since: " + modifiedSince)
        self.channel.lineReceived('')
        result = self.transport.getvalue()
        self.failUnlessEqual(httpCode(result), http.OK)
        self.failUnlessEqual(httpBody(result), "correct")
Given the value C{modifiedSince} for the I{If-Modified-Since}
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/web/test/test_web.py/ConditionalTest._modifiedTest