diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index 473193cfe..54fff6d8c 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -329,9 +329,15 @@ depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 mbedtls_ecp_read_key:MBEDTLS_ECP_DP_CURVE25519:"0FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3":MBEDTLS_ERR_ECP_INVALID_KEY
 
 ECP read key #14 (Curve448, not supported)
-depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
 mbedtls_ecp_read_key:MBEDTLS_ECP_DP_CURVE448:"FCFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF":MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE
 
+ECP read key #15 (Curve25519, not supported)
+depends_on:!MBEDTLS_ECP_DP_CURVE25519_ENABLED
+mbedtls_ecp_read_key:MBEDTLS_ECP_DP_CURVE25519:"8FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7":MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE
+
+ECP read key #15 (invalid curve)
+mbedtls_ecp_read_key:INT_MAX:"8FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7":MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE
+
 ECP mod p192 small (more than 192 bits, less limbs than 2 * 192 bits)
 depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
 ecp_fast_mod:MBEDTLS_ECP_DP_SECP192R1:"0100000000000103010000000000010201000000000001010100000000000100"