Correct block size for MD2

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto_metadata.data b/tests/suites/test_suite_psa_crypto_metadata.data
index bab7ee7..72a11ab 100644
--- a/tests/suites/test_suite_psa_crypto_metadata.data
+++ b/tests/suites/test_suite_psa_crypto_metadata.data
@@ -36,7 +36,7 @@
 
 MAC: HMAC-MD2
 depends_on:PSA_WANT_ALG_HMAC:PSA_WANT_ALG_MD2
-hmac_algorithm:PSA_ALG_HMAC( PSA_ALG_MD2 ):16:64
+hmac_algorithm:PSA_ALG_HMAC( PSA_ALG_MD2 ):16:16
 
 MAC: HMAC-MD4
 depends_on:PSA_WANT_ALG_HMAC:PSA_WANT_ALG_MD4