Shorten include path in test_suite_ssl.function

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index e0588f7..8a24320 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -6,7 +6,7 @@
 #include <mbedtls/certs.h>
 #include <mbedtls/timing.h>
 #include <mbedtls/debug.h>
-#include <../library/ssl_tls13_keys.h>
+#include <ssl_tls13_keys.h>
 
 #include <ssl_invasive.h>