ktls_tests: Log more details when a test fails.

[jhb]

Summary

• Make use of ATF_REQUIRE_INTEQ to log the values of integers for unexpected mismatches.

• Use ATF_REQUIRE_MSG in a few more places to log values when a requirement fails.

• Consistently use ATF_REQUIRE_ERRNO when checking for an expected errno value.

Sponsored by: Chelsio Communications

[markj]

tests/sys/kern/ktls_test.c

2152

You can combine the two assertions:

ATF_REQUIRE_ERRNO(EINVAL, setsockopt(...) == -1);

2649

Ditto.

2689

Ditto.