diff --git a/tests/suites/test_suite_x509write.data b/tests/suites/test_suite_x509write.data
index 0987faef2a..0827f948c2 100644
--- a/tests/suites/test_suite_x509write.data
+++ b/tests/suites/test_suite_x509write.data
@@ -196,13 +196,16 @@ mbedtls_x509_string_to_names:"C=NL, O=#Offspark#, OU=PolarSSL":"C=NL, O=\\#Offsp
 X509 String to Names #10 (Escape ' ' at beginning and end of string)
 mbedtls_x509_string_to_names:"C=NL, O= Off spark , OU=PolarSSL":"C=NL, O=\\ Off spark\\ , OU=PolarSSL":0
 
-X509 String to Names #11 (Escape ascii hexpairs)
-mbedtls_x509_string_to_names:"C=NL, O=Of\\66spark, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0
+X509 String to Names #11 (Escape ascii hexpairs uppercase encoded)
+mbedtls_x509_string_to_names:"C=NL, O=\\4F\\66\\66\\73\\70\\61\\72\\6B, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0
 
-X509 String to Names #12 (Escape non-ascii hexpairs)
+X509 String to Names #12 (Escape ascii hexpairs lowercase encoded)
+mbedtls_x509_string_to_names:"C=NL, O=\\4f\\66\\66\\73\\70\\61\\72\\6b, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0
+
+X509 String to Names #13 (Escape non-ascii hexpairs)
 mbedtls_x509_string_to_names:"C=NL, O=Of\\00spark, OU=PolarSSL":"C=NL, O=Of\\00spark, OU=PolarSSL":0
 
-X509 String to Names #13 (Invalid hexpairs)
+X509 String to Names #14 (Invalid hexpairs)
 mbedtls_x509_string_to_names:"C=NL, O=Of\\flspark, OU=PolarSSL":"":MBEDTLS_ERR_X509_INVALID_NAME
 
 Check max serial length