[fix] hash plugin test

        request.headers.getlist.return_value = []

        # MD5

        search = get_search_mock(query=b'md5 test', pageno=1)

        search = get_search_mock(query='md5 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('md5 hash function: 098f6bcd4621d373cade4e832627b4f6' in search.result_container.answers)

        self.assertTrue('md5 hash digest: 098f6bcd4621d373cade4e832627b4f6'

                        in search.result_container.answers['hash']['answer'])

        search = get_search_mock(query=b'md5 test', pageno=2)

        store.call(store.plugins, 'post_search', request, search)

        self.assertFalse('md5 hash function: 098f6bcd4621d373cade4e832627b4f6' in search.result_container.answers)

        self.assertFalse('hash' in search.result_container.answers)

        # SHA1

        search = get_search_mock(query=b'sha1 test', pageno=1)

        search = get_search_mock(query='sha1 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('sha1 hash function: a94a8fe5ccb19ba61c4c0873d391e9879'

                        '82fbbd3' in search.result_container.answers)

        self.assertTrue('sha1 hash digest: a94a8fe5ccb19ba61c4c0873d391e9879'

                        '82fbbd3' in search.result_container.answers['hash']['answer'])

        # SHA224

        search = get_search_mock(query=b'sha224 test', pageno=1)

        search = get_search_mock(query='sha224 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('sha224 hash function: 90a3ed9e32b2aaf4c61c410eb9254261'

                        '19e1a9dc53d4286ade99a809' in search.result_container.answers)

        self.assertTrue('sha224 hash digest: 90a3ed9e32b2aaf4c61c410eb9254261'

                        '19e1a9dc53d4286ade99a809' in search.result_container.answers['hash']['answer'])

        # SHA256

        search = get_search_mock(query=b'sha256 test', pageno=1)

        search = get_search_mock(query='sha256 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('sha256 hash function: 9f86d081884c7d659a2feaa0c55ad015a'

                        '3bf4f1b2b0b822cd15d6c15b0f00a08' in search.result_container.answers)

        self.assertTrue('sha256 hash digest: 9f86d081884c7d659a2feaa0c55ad015a'

                        '3bf4f1b2b0b822cd15d6c15b0f00a08' in search.result_container.answers['hash']['answer'])

        # SHA384

        search = get_search_mock(query=b'sha384 test', pageno=1)

        search = get_search_mock(query='sha384 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('sha384 hash function: 768412320f7b0aa5812fce428dc4706b3c'

        self.assertTrue('sha384 hash digest: 768412320f7b0aa5812fce428dc4706b3c'

                        'ae50e02a64caa16a782249bfe8efc4b7ef1ccb126255d196047dfedf1'

                        '7a0a9' in search.result_container.answers)

                        '7a0a9' in search.result_container.answers['hash']['answer'])

        # SHA512

        search = get_search_mock(query=b'sha512 test', pageno=1)

        search = get_search_mock(query='sha512 test', pageno=1)

        store.call(store.plugins, 'post_search', request, search)

        self.assertTrue('sha512 hash function: ee26b0dd4af7e749aa1a8ee3c10ae9923f6'

        self.assertTrue('sha512 hash digest: ee26b0dd4af7e749aa1a8ee3c10ae9923f6'

                        '18980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5'

                        'fa9ad8e6f57f50028a8ff' in search.result_container.answers)

                        'fa9ad8e6f57f50028a8ff' in search.result_container.answers['hash']['answer'])