test/restore: remove include of remaining .c file
And group includes.
#include <stdio.h>
#include <cmocka.h>
-#include <backup/backup.h>
-#include <backup/restore.h>
+#include <FatFs/source/ff.h>
#include <pb_decode.h>
#include <pb_encode.h>
-#include <util.h>
+#include <wally_crypto.h>
-#include <FatFs/source/ff.h>
#include <assert_sd.h>
+#include <backup/backup.h>
+#include <backup/restore.h>
#include <sd.h>
-
-// so that we can use static functions
-#include <backup/backup.c>
+#include <util.h>
#define DEVICE_NAME "TestDeviceName"
static const uint32_t _current_timestamp = 1553098951;
