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_pkparse.function b/tests/suites/test_suite_pkparse.function
index df139c6..6496951 100644
--- a/tests/suites/test_suite_pkparse.function
+++ b/tests/suites/test_suite_pkparse.function
@@ -175,7 +175,7 @@
     output_key_len = mbedtls_pk_write_key_der(&pk, output_key, output_key_len);
     TEST_ASSERT(output_key_len > 0);
 
-    ASSERT_COMPARE(exp_output->x, exp_output->len, output_key, output_key_len);
+    TEST_BUFFERS_EQUAL(exp_output->x, exp_output->len, output_key, output_key_len);
 
 exit:
     if (output_key != NULL) {