This cert has an invalid subjectKeyIdentifier - it is INTEGER rather than being
an OCTET_STRING.

The certificate data can be updated/regenerated with the
net/data/parse_certificate_unittest/regenerate_pem_from_ascii.py script.

#-----BEGIN SUBJECT_KEY_IDENTIFIER-----
    INTEGER {42}
#-----END SUBJECT_KEY_IDENTIFIER-----

-----BEGIN CERTIFICATE-----
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
-----END CERTIFICATE-----

ERROR: Failed parsing subject key identifier

-----BEGIN ERRORS-----
RVJST1I6IEZhaWxlZCBwYXJzaW5nIHN1YmplY3Qga2V5IGlkZW50aWZpZXIK
-----END ERRORS-----