Refactor the Argon2 tests to enable the module build and integrate the
tests into function_test.
Signed-off-by: Gary Lin <glin@suse.com>
Tested-By: Waldemar Brodkorb <wbx@openadk.org>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>