Add decoding empty buffer test calls for cipher modes that benefit from this
diff --git a/tests/suites/test_suite_cipher.gcm.data b/tests/suites/test_suite_cipher.gcm.data
index 03d08ce..dc33116 100644
--- a/tests/suites/test_suite_cipher.gcm.data
+++ b/tests/suites/test_suite_cipher.gcm.data
@@ -1,3 +1,15 @@
+AES 128 GCM Decrypt empty buffer
+depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
+dec_empty_buf:MBEDTLS_CIPHER_AES_128_GCM
+
+CAMELLIA GCM Decrypt empty buffer
+depends_on:MBEDTLS_CAMELLIA_C:MBEDTLS_CIPHER_PADDING_PKCS7
+dec_empty_buf:MBEDTLS_CIPHER_CAMELLIA_128_GCM
+
+Aria GCM Decrypt empty buffer
+depends_on:MBEDTLS_ARIA_C
+dec_empty_buf:MBEDTLS_CIPHER_ARIA_128_GCM
+
 AES 128 GCM Encrypt and decrypt 0 bytes
 depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
 enc_dec_buf:MBEDTLS_CIPHER_AES_128_GCM:"AES-128-GCM":128:0:-1