getdents/getdents02.c: add ENOENT test for getdents(2)

Merge getdents02.c, getdents03.c, getdents04.c into one getdents02
test, which contains EBADF, EINVAL and ENOTDIR error value tests.

And add new ENOENT error value test.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
fcntl/fcntl29.c: add F_DUPFD_CLOEXEC test for fcntl(2)

create a new case to test F_DUPFD_CLOEXEC for fcntl(2)

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
fcntl/fcntl30.c: add F_SETPIPE_SZ, F_GETPIPE_SZ test for fcntl(2)

create a new case to test F_SETPIPE_SZ, F_GETPIPE_SZ for fcntl(2)

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>