fix: add coverage for all ticket formats

[CarolYeh910]

Release Summary:

Resolved issues:

resolves #4965

Description of changes:

There are two changes in this PR:

1. Remove the manual setting of session ticket formats in s2n_deserialize_resumption_state_test.c. We no longer make assumptions about the possible format versions

2. Update the path to coverage reports in Readme

Call-outs:

N/A

Testing:

Generated fuzz coverage reports locally and confirmed that S2N_SERIALIZED_FORMAT_TLS12_V3 is covered

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[lrstewart]

Nice! From your new coverage report, are there any concerns that we're only covering the server code path and not the client code path?

[jmayclin]

Thanks for fixing this!

Since we're removing this line, let's go ahead and clean up the comment/setup that is no longer used.

[CarolYeh910]

Nice! From your new coverage report, are there any concerns that we're only covering the server code path and not the client code path?

The result seems to make sense because the connection mode is set to S2N_SERVER in the test file. If we want to cover the client code path, we may need to add additional tests to this file.

s2n-tls/tests/fuzz/s2n_deserialize_resumption_state_test.c

Line 53 in 298cf03

DEFER_CLEANUP(struct s2n_connection *server_conn = s2n_connection_new(S2N_SERVER), s2n_connection_ptr_free);