Add negative tests for empty buffer decoding for certain ciphers
diff --git a/tests/suites/test_suite_cipher.des.data b/tests/suites/test_suite_cipher.des.data
index dbd6809..c272a3e 100644
--- a/tests/suites/test_suite_cipher.des.data
+++ b/tests/suites/test_suite_cipher.des.data
@@ -1,14 +1,14 @@
 DES CBC Decrypt empty buffer
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
-dec_empty_buf:MBEDTLS_CIPHER_DES_CBC
+dec_empty_buf:MBEDTLS_CIPHER_DES_CBC:0:0
 
 DES EDE CBC Decrypt empty buffer
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
-dec_empty_buf:MBEDTLS_CIPHER_DES_EDE_CBC
+dec_empty_buf:MBEDTLS_CIPHER_DES_EDE_CBC:0:0
 
 DES EDE3 CBC Decrypt empty buffer
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
-dec_empty_buf:MBEDTLS_CIPHER_DES_EDE3_CBC
+dec_empty_buf:MBEDTLS_CIPHER_DES_EDE3_CBC:0:0
 
 DES Encrypt and decrypt 0 bytes
 depends_on:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7