Problem running functional tests from China

[Philippe Mathieu-Daudé]

Just to inform the files hosted on github don't work when
testing from China:

 (02/23)
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_emcraft_sf2:
CANCEL: Missing asset
https://raw.githubusercontent.com/Subbaraya-Sundeep/qemu-test-binaries/fe371d32e50ca682391e1e70ab98c2942aeffb01/u-boot
(0.02 s)
 (03/23)
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_raspi2_uart0:
INTERRUPTED: Missing asset
http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel_1.20190215-1_armhf.deb\nRunner
error occurred: Timeout reached\nOriginal status: CANCEL\n{'name':
'03-tests/acceptance/boot_linux_console.py:BootLinuxCons... (90.61 s)
 (04/23)
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_exynos4210_initrd:
CANCEL: Missing asset
https://github.com/groeck/linux-build-test/raw/2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/arm/rootfs-armv5.cpio.gz
(35.63 s)
 (05/23)
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_cubieboard_initrd:
CANCEL: Missing asset
https://github.com/groeck/linux-build-test/raw/2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/arm/rootfs-armv5.cpio.gz
(8.75 s)
 (06/23)
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_cubieboard_sata:
CANCEL: Missing asset
https://github.com/groeck/linux-build-test/raw/2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/arm/rootfs-armv5.ext2.gz
(8.63 s)
 (17/23)
tests/acceptance/machine_arm_integratorcp.py:IntegratorMachine.test_integratorcp_console:
CANCEL: Missing asset
https://github.com/zayac/qemu-arm/raw/master/arm-test/kernel/zImage.integrator
(0.76 s)
 (22/23)
tests/acceptance/replay_kernel.py:ReplayKernelNormal.test_arm_cubieboard_initrd:
CANCEL: Missing asset
https://github.com/groeck/linux-build-test/raw/2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/arm/rootfs-armv5.cpio.gz
(8.11 s)

raw.githubusercontent.com resolves to 127.0.0.1

Regards,

Phil.