The still used deprecated error codes replaced with _PLATFORM_ ones

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index cdbaa13..b892ec2 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -630,7 +630,7 @@
         TEST_ASSERT( res == 0 );
 #else
         TEST_ASSERT( ( res == 0 ) ||
-                     ( res == MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION ) );
+                     ( res == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ) );
 #endif
 
         if( res == 0 )
@@ -691,7 +691,7 @@
         TEST_ASSERT( res == 0 );
 #else
         TEST_ASSERT( ( res == 0 ) ||
-                     ( res == MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION ) );
+                     ( res == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ) );
 #endif
 
         if( res == 0 )