Additional corner cases for testing pathlen constrains. Just in case.

backport of ef4f258
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 5d82f44..e19294a 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -445,13 +445,15 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C */
-void x509_crt_verify_chain(  char *chain_paths, char *trusted_ca, int ret )
+void x509_crt_verify_chain(  char *chain_paths, char *trusted_ca, int flags_result )
 {
     char* act;
     int flags;
-    int res;
+    int result, res;
     x509_crt trusted, chain;
 
+    result = flags_result ? POLARSSL_ERR_X509_CERT_VERIFY_FAILED : 0;
+
     x509_crt_init( &chain );
     x509_crt_init( &trusted );
 
@@ -461,7 +463,8 @@
 
     res = x509_crt_verify( &chain, &trusted, NULL, NULL, &flags, NULL, NULL );
 
-    TEST_ASSERT( ret == res );
+    TEST_ASSERT( res == result );
+    TEST_ASSERT( flags == flags_result );
 
 exit:
     x509_crt_free( &trusted );