Test

Support override ip by env. #1685

Job	Run time
multiple-arch-armv7	21m 58s
utest-regression-blackbox-test	9m 28s
multiple-arch-aarch64	22m 32s
cygwin64-cache	1m 55s
fast	1s
cygwin64	16m 8s
build-ubuntu20	3m 37s
build-ubuntu16	3m 5s
build-centos7	5m 10s
build-cross-aarch64	5m 1s
build-cross-arm	5m 12s
build-ubuntu18	3m 7s
coverage	3m 32s
multiple-arch-amd64	2m 16s
test-done	1s
	1h 43m 3s

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