add test case for zero input cost

Signed-off-by: Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com>
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 56fe51d..6587e93 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -5535,6 +5535,10 @@
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_256
 derive_input:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_KEY_DERIVATION_INPUT_SEED:PSA_KEY_TYPE_NONE:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
 
+PSA key derivation: PBKDF2-HMAC-SHA256, reject zero input cost
+depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_256
+derive_input:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"00":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
 PSA key derivation: PBKDF2-HMAC-SHA256, reject cost greater than PSA_VENDOR_PBKDF2_MAX_ITERATIONS
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_256
 derive_input_invalid_cost:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_VENDOR_PBKDF2_MAX_ITERATIONS+1ULL