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

testsuites/fstests/jffs2_support/fs_support.c

@@ -154,6 +154,9 @@ void test_shutdown_filesystem(void)
 #define CONFIGURE_MAXIMUM_TASKS 1
 
 #define CONFIGURE_INIT_TASK_STACK_SIZE (32 * 1024)
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #define CONFIGURE_INIT