Fix code style

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/suites/test_suite_mps.function b/tests/suites/test_suite_mps.function
index 1bc1b3e..03818ec 100644
--- a/tests/suites/test_suite_mps.function
+++ b/tests/suites/test_suite_mps.function
@@ -611,8 +611,8 @@
             TEST_ASSERT(mbedtls_mps_reader_get(&rd, sizeof(buf) / 2,
                                                &tmp, NULL) == 0);
             TEST_MEMORY_COMPARE(tmp, sizeof(buf) / 2,
-                           buf + sizeof(buf) / 2,
-                           sizeof(buf) / 2);
+                                buf + sizeof(buf) / 2,
+                                sizeof(buf) / 2);
             break;
 
         default: