test_suite_psa_crypto_util: add test with 0-length s

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/suites/test_suite_psa_crypto_util.data b/tests/suites/test_suite_psa_crypto_util.data
index 78f048a..46af1f1 100644
--- a/tests/suites/test_suite_psa_crypto_util.data
+++ b/tests/suites/test_suite_psa_crypto_util.data
@@ -74,6 +74,10 @@
 depends_on:PSA_WANT_ECC_SECP_K1_256
 ecdsa_der_to_raw:256:"3025020002202222222222222222222222222222222222222222222222222222222222222222":"11111111111111111111111111111111111111111111111111111111111111112222222222222222222222222222222222222222222222222222222222222222":MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
+ECDSA DER -> Raw, 256bit, Invalid s (0-length)
+depends_on:PSA_WANT_ECC_SECP_K1_256
+ecdsa_der_to_raw:256:"3044022011111111111111111111111111111111111111111111111111111111111111110200":"11111111111111111111111111111111111111111111111111111111111111112222222222222222222222222222222222222222222222222222222222222222":MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
 # 512/521 bit sizes are useful to test sequence's length encoded with 2 bytes.
 ECDSA Raw -> DER, 512bit, Success
 depends_on:PSA_WANT_ECC_BRAINPOOL_P_R1_512