test: use better naming for the newly introduced test function

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/suites/test_suite_pkwrite.data b/tests/suites/test_suite_pkwrite.data
index a14b42b..34bf0da 100644
--- a/tests/suites/test_suite_pkwrite.data
+++ b/tests/suites/test_suite_pkwrite.data
@@ -96,20 +96,20 @@
 
 Derive public key RSA
 depends_on:MBEDTLS_RSA_C
-pk_write_check_public_key_derivation:"data_files/server1.key.der":"data_files/server1.pubkey.der"
+pk_write_public_from_private:"data_files/server1.key.der":"data_files/server1.pubkey.der"
 
 Derive public key RSA 4096
 depends_on:MBEDTLS_RSA_C
-pk_write_check_public_key_derivation:"data_files/rsa4096_prv.der":"data_files/rsa4096_pub.der"
+pk_write_public_from_private:"data_files/rsa4096_prv.der":"data_files/rsa4096_pub.der"
 
 Derive public key EC 192 bits
 depends_on:MBEDTLS_ECP_LIGHT:MBEDTLS_ECP_DP_SECP192R1_ENABLED
-pk_write_check_public_key_derivation:"data_files/ec_prv.sec1.der":"data_files/ec_pub.der"
+pk_write_public_from_private:"data_files/ec_prv.sec1.der":"data_files/ec_pub.der"
 
 Derive public key EC 521 bits
 depends_on:MBEDTLS_ECP_LIGHT:MBEDTLS_ECP_DP_SECP521R1_ENABLED
-pk_write_check_public_key_derivation:"data_files/ec_521_prv.der":"data_files/ec_521_pub.der"
+pk_write_public_from_private:"data_files/ec_521_prv.der":"data_files/ec_521_pub.der"
 
 Derive public key EC Brainpool 512 bits
 depends_on:MBEDTLS_ECP_LIGHT:MBEDTLS_ECP_DP_BP512R1_ENABLED
-pk_write_check_public_key_derivation:"data_files/ec_bp512_prv.der":"data_files/ec_bp512_pub.der"
+pk_write_public_from_private:"data_files/ec_bp512_prv.der":"data_files/ec_bp512_pub.der"