tests/fstests: Use <rtems/test.h>

testsuites/fstests/mdosfs_support/fs_support.c

@@ -80,6 +80,9 @@ void test_shutdown_filesystem(void)
 /**
  * Configure base RTEMS resources.
  */
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #define CONFIGURE_MAXIMUM_SEMAPHORES RTEMS_DOSFS_SEMAPHORES_PER_INSTANCE