Sleep a big longer during service check.
Sleep a big longer during service check.

Otherwise travis CI sometimes fails.

takenspc/validator,YOTOV-LIMITED/validator,YOTOV-LIMITED/validator,takenspc/validator,validator/validator,sammuelyee/validator,takenspc/validator,YOTOV-LIMITED/validator,tripu/validator,tripu/validator,validator/validator,validator/validator,sammuelyee/validator,YOTOV-LIMITED/validator,tripu/validator,validator/validator,sammuelyee/validator,takenspc/validator,sammuelyee/validator,YOTOV-LIMITED/validator,tripu/validator,takenspc/validator,validator/validator,tripu/validator,sammuelyee/validator