tests: Skip unavailable ciphers in FIPS mode.
* tests/basic.c (_check_poly1305_cipher): (check_ocb_cipher_largebuf_split): Skip unavailable ciphers when IN_FIPS_MODE. (check_ocb_cipher_checksum, check_gost28147_cipher_basic): Likewise.
- GnuPG-bug-id: T5520
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>