1# Generate Certificate 2 3If the `test/testdata/test_blob_cert.pem` expire you can generate a new certificate to use in the tests running the 4following command: 5 6```shell 7$ openssl req -key test/testdata/test_blob_private_key -x509 -days 3650 -out cert.pem -new -nodes -subj "/" -addext "subjectAltName = email:foo@example.com" 8``` 9 10and then you replace the old `test/testdata/test_blob_cert.pem` with the new certificate.