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_pkwrite.function b/tests/suites/test_suite_pkwrite.function
index 39c43b4..8176b6d 100644
--- a/tests/suites/test_suite_pkwrite.function
+++ b/tests/suites/test_suite_pkwrite.function
@@ -113,7 +113,7 @@
     TEST_EQUAL(pk_write_any_key(&key, &start_buf, &buf_len, is_public_key,
                                 is_der), 0);
 
-    TEST_BUFFERS_EQUAL(start_buf, buf_len, check_buf, check_buf_len);
+    TEST_MEMORY_COMPARE(start_buf, buf_len, check_buf, check_buf_len);
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     /* Verify that pk_write works also for opaque private keys */
@@ -128,7 +128,7 @@
         TEST_EQUAL(pk_write_any_key(&key, &start_buf, &buf_len, is_public_key,
                                     is_der), 0);
 
-        TEST_BUFFERS_EQUAL(start_buf, buf_len, check_buf, check_buf_len);
+        TEST_MEMORY_COMPARE(start_buf, buf_len, check_buf, check_buf_len);
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
@@ -190,7 +190,7 @@
     TEST_EQUAL(mbedtls_pk_write_pubkey_der(&priv_key, derived_key_raw,
                                            derived_key_len), pub_key_len);
 
-    TEST_BUFFERS_EQUAL(derived_key_raw, derived_key_len,
+    TEST_MEMORY_COMPARE(derived_key_raw, derived_key_len,
                    pub_key_raw, pub_key_len);
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
@@ -203,7 +203,7 @@
     TEST_EQUAL(mbedtls_pk_write_pubkey_der(&priv_key, derived_key_raw,
                                            derived_key_len), pub_key_len);
 
-    TEST_BUFFERS_EQUAL(derived_key_raw, derived_key_len,
+    TEST_MEMORY_COMPARE(derived_key_raw, derived_key_len,
                    pub_key_raw, pub_key_len);
 #endif /* MBEDTLS_USE_PSA_CRYPTO */