Use consistent test case names

Signed-off-by: Werner Lewis <werner.lewis@arm.com>
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 5bb8479..e07acd1 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -384,7 +384,7 @@
 X509 Get Next DN #3 Single Multivalue RDN
 mbedtls_x509_dn_get_next:"C=NL, O=PolarSSL, CN=PolarSSL Server 1":0b011:"C":1:"C=NL + O=PolarSSL + CN=PolarSSL Server 1"
 
-X509 Get Next DN #4 Consecutive MV RDNs
+X509 Get Next DN #4 Consecutive Multivalue RDNs
 mbedtls_x509_dn_get_next:"C=NL, O=PolarSSL, title=Example, CN=PolarSSL Server 1":0b0101:"C title":2:"C=NL + O=PolarSSL, title=Example + CN=PolarSSL Server 1"
 
 X509 Time Expired #1