For tests, rename TEST_BUFFERS_EQUAL() to TEST_MEMORY_COMPARE()

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 577cea4..88ca28c 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -447,7 +447,7 @@
     TEST_EQUAL(addrlen, (size_t) ref_ret);
 
     if (addrlen) {
-        TEST_BUFFERS_EQUAL(exp->x, exp->len, addr, addrlen);
+        TEST_MEMORY_COMPARE(exp->x, exp->len, addr, addrlen);
     }
 }
 /* END_CASE */