Add fs_full usb_check test

Change-Id: Ib9fec9c1d9c1e316657d21c3a12f8294b6235698
diff --git a/mbtk/test/fs_full.c b/mbtk/test/fs_full.c
new file mode 100755
index 0000000..88bf28a
--- /dev/null
+++ b/mbtk/test/fs_full.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#define BUFF_SIZE 4096
+
+int main(int argc, char *argv[])
+{
+    int fd = open("/test.data", O_WRONLY | O_CREAT | O_APPEND);
+    if(fd < 0) {
+        printf("open() fail:%d", errno);
+        return -1;
+    }
+
+    char buff[BUFF_SIZE];
+    while(1) {
+        if(write(fd, buff, BUFF_SIZE) < 0) {
+            printf("write() fail:%d", errno);
+            break;
+        }
+    }
+
+    close(fd);
+    return 0;
+}
+