How to use the aiortc.rtcdtlstransport.RTCCertificate.generateCertificate function in aiortc

certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])
        receiver1 = DummyRtpReceiver()
        session1._register_rtp_receiver(
            receiver1,
            RTCRtpReceiveParameters(
                codecs=[
                    RTCRtpCodecParameters(
                        mimeType="audio/PCMU", clockRate=8000, payloadType=0
                    )
                ],
                encodings=[RTCRtpDecodingParameters(ssrc=1831097322, payloadType=0)],
            ),
        )

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])
        receiver2 = DummyRtpReceiver()
        session2._register_rtp_receiver(
            receiver2,
            RTCRtpReceiveParameters(
                codecs=[
                    RTCRtpCodecParameters(
                        mimeType="audio/PCMU", clockRate=8000, payloadType=0
                    )
                ],
                encodings=[RTCRtpDecodingParameters(ssrc=4028317929, payloadType=0)],
            ),
        )

        run(
            asyncio.gather(

def test_lossy_channel(self):
        """
        Transport with 25% loss eventually connects.
        """
        transport1, transport2 = dummy_ice_transport_pair()
        loss_pattern = [True, False, False, False]
        transport1._connection.loss_pattern = loss_pattern
        transport2._connection.loss_pattern = loss_pattern

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])

        run(
            asyncio.gather(
                session1.start(session2.getLocalParameters()),
                session2.start(session1.getLocalParameters()),
            )
        )

        run(session1.stop())
        run(session2.stop())

def test_generate(self):
        certificate = RTCCertificate.generateCertificate()
        self.assertIsNotNone(certificate)

        expires = certificate.expires
        self.assertIsNotNone(expires)
        self.assertTrue(isinstance(expires, datetime.datetime))

        fingerprints = certificate.getFingerprints()
        self.assertEqual(len(fingerprints), 1)
        self.assertEqual(fingerprints[0].algorithm, "sha-256")
        self.assertEqual(len(fingerprints[0].value), 95)

def test_abrupt_disconnect(self):
        transport1, transport2 = dummy_ice_transport_pair()

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])

        run(
            asyncio.gather(
                session1.start(session2.getLocalParameters()),
                session2.start(session1.getLocalParameters()),
            )
        )

        # break connections -> tasks exits
        run(transport1.stop())
        run(transport2.stop())

        # close DTLS
        run(session1.stop())
        run(session2.stop())

def test_srtp_unprotect_error(self):
        transport1, transport2 = dummy_ice_transport_pair()

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])
        receiver1 = DummyRtpReceiver()
        session1._register_rtp_receiver(
            receiver1,
            RTCRtpReceiveParameters(
                codecs=[
                    RTCRtpCodecParameters(
                        mimeType="audio/PCMU", clockRate=8000, payloadType=0
                    )
                ],
                encodings=[RTCRtpDecodingParameters(ssrc=1831097322, payloadType=0)],
            ),
        )

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])

def test_abrupt_disconnect(self):
        transport1, transport2 = dummy_ice_transport_pair()

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])

        run(
            asyncio.gather(
                session1.start(session2.getLocalParameters()),
                session2.start(session1.getLocalParameters()),
            )
        )

        # break connections -> tasks exits
        run(transport1.stop())
        run(transport2.stop())

def test_bad_client_fingerprint(self):
        transport1, transport2 = dummy_ice_transport_pair()

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])

        bogus_parameters = RTCDtlsParameters(
            fingerprints=[
                RTCDtlsFingerprint(algorithm="sha-256", value="bogus_fingerprint")
            ]
        )
        run(
            asyncio.gather(
                session1.start(bogus_parameters),
                session2.start(session1.getLocalParameters()),
            )
        )

def test_rtp_malformed(self):
        transport1, transport2 = dummy_ice_transport_pair()

        certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])

        # receive truncated RTP
        run(session1._handle_rtp_data(RTP[0:8], 0))

        # receive truncated RTCP
        run(session1._handle_rtcp_data(RTCP[0:8]))

certificate1 = RTCCertificate.generateCertificate()
        session1 = RTCDtlsTransport(transport1, [certificate1])
        receiver1 = DummyRtpReceiver()
        session1._register_rtp_receiver(
            receiver1,
            RTCRtpReceiveParameters(
                codecs=[
                    RTCRtpCodecParameters(
                        mimeType="audio/PCMU", clockRate=8000, payloadType=0
                    )
                ],
                encodings=[RTCRtpDecodingParameters(ssrc=1831097322, payloadType=0)],
            ),
        )

        certificate2 = RTCCertificate.generateCertificate()
        session2 = RTCDtlsTransport(transport2, [certificate2])
        receiver2 = DummyRtpReceiver()
        session2._register_rtp_receiver(
            receiver2,
            RTCRtpReceiveParameters(
                codecs=[
                    RTCRtpCodecParameters(
                        mimeType="audio/PCMU", clockRate=8000, payloadType=0
                    )
                ],
                encodings=[RTCRtpDecodingParameters(ssrc=4028317929, payloadType=0)],
            ),
        )

        run(
            asyncio.gather(