Bitcoin-ABC / Master / Health Checks / Bitcoin-ABC Check Seeds is broken on branch 'master'

Associated commits:
5f2783164fcdf6670409fb67d8df52e6c3507632
3534a7e7ef6a28239a9c43033fa771b9783375d1
3b5adc501f6e6bec292f56b257ffb2c6ca51e22c
5c30ada8955f4a8fdb44303d8ebce32f40128a19
70ddc17473075c8bff962a4b7947d8e79e5bd612
def81dda8f71c8f6ff8d2a12902cdea32310d76c
4a7d44cfebb9b12bcd157f3914767361fddec86a
3142f48fcaf1d6a57a895a1e5f2d4e1fcb2a7401
9063946fe04040a617252f8a095472b4d2b5df75
cc54e8f8bc3576efed79886d8532db17f14bfe55
bc3fa66b8393a76956bdf264638d3181d54923b3
46872d36ce46b68db27b09b93979eccadc32a94a
599693863bae9e0595b3c3824d787e59fbdd44a0
0855a1adc24370bbbd7a469dcac8ee6d7846b361
e67b265f99da8eb4765cdf1154a918823728aca3