For tests, rename ASSERT_COMPARE() to TEST_BUFFERS_EQUAL()

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/suites/test_suite_pkcs12.function b/tests/suites/test_suite_pkcs12.function
index 3ac1a77..98259eb 100644
--- a/tests/suites/test_suite_pkcs12.function
+++ b/tests/suites/test_suite_pkcs12.function
@@ -59,7 +59,7 @@
     TEST_EQUAL(ret, expected_status);
 
     if (expected_status == 0) {
-        ASSERT_COMPARE(expected_output->x, expected_output->len,
+        TEST_BUFFERS_EQUAL(expected_output->x, expected_output->len,
                        output_data, key_size);
     }